Plattform
nodejs
Komponente
chatgpt-on-wechat
Behoben in
2.0.5
A critical vulnerability, CVE-2026-6126, has been discovered in CowAgent, specifically impacting versions 2.0.4 through 2.0.4. This issue stems from a missing authentication check within the Administrative HTTP Endpoint, allowing unauthorized access. The potential impact is significant, as attackers can remotely exploit this weakness. While the project has been notified, a fix remains unavailable.
The missing authentication check in CowAgent's Administrative HTTP Endpoint presents a severe risk. An attacker can leverage this vulnerability to gain unauthorized access to administrative functions, potentially leading to complete system compromise. This could involve modifying configurations, accessing sensitive data, or even executing arbitrary code on the server. The availability of a public exploit significantly increases the likelihood of exploitation, making it a high-priority concern. The blast radius extends to any system running the vulnerable CowAgent version, particularly those exposed to external networks.
CVE-2026-6126 is currently considered a high exploitation probability due to the availability of a public proof-of-concept. It was disclosed on 2026-04-12. The vulnerability is tracked on the NVD and CISA advisories are pending. The lack of a response from the project developers raises concerns about the timeliness of a potential fix.
Organizations and individuals utilizing CowAgent 2.0.4–2.0.4, particularly those integrating ChatGPT with WeChat, are at significant risk. Shared hosting environments where CowAgent is deployed alongside other applications are especially vulnerable, as a compromise of CowAgent could potentially lead to lateral movement within the hosting infrastructure.
• nodejs / server:
ps aux | grep CowAgent
journalctl -u cowagent | grep -i "administrative http endpoint"• generic web:
curl -I http://<cowagent_ip>/admin # Check for 200 OK without authentication
grep -r "administrative http endpoint" /var/log/nginx/access.logdisclosure
poc
Exploit-Status
EPSS
0.09% (25% Perzentil)
CISA SSVC
CVSS-Vektor
Given the lack of a vendor-supplied patch, immediate mitigation steps are crucial. Consider temporarily disabling the Administrative HTTP Endpoint if it's not essential. Implement strict network segmentation to limit external access to the endpoint. While a WAF or proxy can be configured to block unauthorized requests, this is not a substitute for a proper authentication mechanism. Monitor logs for suspicious activity related to the Administrative HTTP Endpoint, looking for unusual access patterns or requests from unknown sources. Verification after any mitigation steps should involve attempting to access the administrative endpoint without proper credentials to confirm the control is working as expected.
Aktualisieren Sie auf eine korrigierte Version des Pakets chatgpt-on-wechat CowAgent. Da das Projekt nicht reagiert hat, wird empfohlen, Alternativen zu prüfen oder zusätzliche Sicherheitsmaßnahmen zu implementieren, um das Risiko eines unbefugten Zugriffs auf die administrative Schnittstelle zu mindern.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
CVE-2026-6126 is a HIGH severity vulnerability in CowAgent versions 2.0.4–2.0.4 where the Administrative HTTP Endpoint lacks authentication, allowing remote attackers to exploit it.
If you are running CowAgent version 2.0.4–2.0.4, you are potentially affected by this vulnerability. Immediate action is required.
Unfortunately, a patch is not yet available. Mitigate by restricting access to the Administrative HTTP Endpoint using firewall rules or a WAF.
While no confirmed exploitation campaigns are currently known, a public proof-of-concept exists, increasing the risk of exploitation.
As of now, the project maintainers have not released an official advisory. Monitor the CowAgent GitHub repository for updates.
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.