CVE-2026-90813
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Sep 14, 2026
Vendor
unknown
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.