CVE-2026-90813
cosmicstack-labs mercury-agent Shell Command Execution permissions.ts checkShellCommand validate before canonicalize
Description
A vulnerability was detected in cosmicstack-labs mercury-agent up to 1.1.13. Affected is the function checkShellCommand of the file src/capabilities/permissions.ts of the component Shell Command Execution. The manipulation results in incorrect behavior order: validate before canonicalize. The attack may be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
INFO
Published Date :
Sept. 14, 2026, 7:15 p.m.
Last Modified :
Sept. 14, 2026, 7:15 p.m.
Remotely Exploit :
No
Source :
VulDB
Solution
- Update mercury-agent to version 1.1.14 or later.
- Review shell command execution logic for vulnerabilities.
- Validate input before canonicalizing paths.
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