CVE-2026-90812

cosmicstack-labs mercury-agent Shell Command Permission permissions.ts checkShellCommand privileges assignment

A security vulnerability has been detected in cosmicstack-labs mercury-agent up to 1.2.0. This impacts the function checkShellCommand of the file src/capabilities/permissions.ts of the component Shell Command Permission. The manipulation leads to incorrect privilege assignment. The attack may be initiated remotely. The exploit has been disclosed publicly 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 LOWCVSS: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 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v2.0 VULDB

4.0 MEDIUMAV:N/AC:L/Au:S/C:P/I:N/A:N

EPSS

0.39% chance of exploitation in the next 30 days, 31st percentile

Published

2026-09-14

Updated

2026-09-16

Proof-of-concept exploits (1)

• cosmicstack-labs/mercury-agent/issues/803372★ · 2026-10-13

References

• CVE Record
• NVD entry

Related

• CVE-2026-18996
• CVE-2026-18997
• CVE-2026-18998
• CVE-2026-90810
• CVE-2026-90811
• CVE-2026-90813