zhayujie CowAgent web_fetch.py WebFetch.execute server-side request forgery
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.3%
exploitation probability
0.3%top 74% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A vulnerability was determined in zhayujie CowAgent up to 2.1.1. This affects the function WebFetch.execute of the file agent/tools/web_fetch/web_fetch.py. Executing a manipulation of the argument url can lead to server-side request forgery. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.1.2 is able to mitigate this issue. This patch is called ea47f3097eed4f8295c4cb3d76ecb97e0f43d632. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
zhayujie · CowAgentpublic PoCs found — 1
cve_referencegithub.com/zhayujie/CowAgent/issues/2889unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/zhayujie/CowAgent/https://github.com/zhayujie/CowAgent/commit/ea47f3097eed4f8295c4cb3d76ecb97e0f43d632https://github.com/zhayujie/CowAgent/issues/2889https://github.com/zhayujie/CowAgent/pull/2900https://github.com/zhayujie/CowAgent/releases/tag/2.1.2https://vuldb.com/cve/CVE-2026-16194https://vuldb.com/submit/857620https://vuldb.com/vuln/380009https://vuldb.com/vuln/380009/cti