Vulnerability · Published Jul 10, 2026 · Assigned by VulDB
CVE-2026-15329zhayujie CowAgent Browser Tool browser_tool.py BrowserTool._do_navigate information disclosure
Medium 4.3
In plain English
A medium-severity information exposure in CowAgent from zhayujie. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Official description
A vulnerability was found in zhayujie CowAgent up to 2.1.0. This issue affects the function BrowserTool._do_navigate of the file agent/tools/browser/browser_tool.py of the component Browser Tool. Performing a manipulation results in information disclosure. The attack can be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
Weakness: CWE-200, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C
References
- VDB-377272 | zhayujie CowAgent Browser Tool browser_tool.py BrowserTool._do_navigate information disclosure vdb-entry, technical-description
- VDB-377272 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-15329 | CVE Analysis and Report third-party-advisory
- Submit #853098 | zhayujie CowAgent <= 2.1.0 Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) third-party-advisory
- https://github.com/zhayujie/CowAgent/issues/2871 exploit, issue-tracking
- https://github.com/zhayujie/CowAgent/issues/2871#issuecomment-4922534422 issue-tracking
- https://github.com/zhayujie/CowAgent/ product