CVE-2026-108681: medium-severity vulnerability in zhayujie CowAgent
zhayujie CowAgent Web Console web_channel.py denial of service
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.3%
A security flaw has been discovered in zhayujie CowAgent up to 2.1.7. Impacted is an unknown function of the file channel/web/web_channel.py of the component Web Console. The manipulation of the argument session_id results in denial of service. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. Version 2.1.7 (commit dec28324) only partly mitigates via a 512MB body cap. The vendor was contacted early about this disclosure.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
zhayujie · CowAgentpublic PoCs found — 1
cve_referencegithub.com/hackerguopeng/cve/tree/main/CowAgent_Web_Message_Queue_Thread_SSE_DoS_Reportunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — zhayujie CowAgent
In the same product, most dangerous first.
CVE-2026-15330MEDIUMzhayujie CowAgent Vision Tool vision.py _download_to_data_url server-side request forgeryEPSS 0.6%CVE-2026-84427MEDIUMzhayujie CowAgent Bash Tool bash.py denial of serviceEPSS 0.5%CVE-2026-84425MEDIUMzhayujie CowAgent Browser Tool browser_tool.py BrowserTool denial of serviceEPSS 0.5%CVE-2026-16194MEDIUMzhayujie CowAgent web_fetch.py WebFetch.execute server-side request forgeryEPSS 0.5%CVE-2026-15331MEDIUMzhayujie CowAgent Skill Installation service.py _add_package path traversalEPSS 0.4%CVE-2026-15329MEDIUMzhayujie CowAgent Browser Tool browser_tool.py BrowserTool._do_navigate information disclosureEPSS 0.4%