CVE-2026-90813
cosmicstack-labs mercury-agent Shell Command Execution permissions.ts checkShellCommand validate before canonicalize
LOW 2.1EPSS 0.6%
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.
- Affected
- cosmicstack-labs · mercury-agent
- CVSS v4.0 VULDB
- 2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULDB
- 4.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS v2.0 VULDB
- 4.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N - EPSS
- 0.55% chance of exploitation in the next 30 days, 45th percentile
- Published
- 2026-09-14
Proof-of-concept exploits (1)
- cosmicstack-labs/mercury-agent/issues/953372★ · 2026-10-13