Privilege escalation in Cosmicstack-labs Mercury-agent
CVE-2026-18996
A vulnerability has been found in cosmicstack-labs mercury-agent up to 1.1.12. This vulnerability affects the function PermissionManager.checkShellCommand of the file src/capabilities/permissions.ts of the component run_command Handler. Su…
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Cosmicstack-labs Mercury-agent — versions 1.1.0, 1.1.1, 1.1.2
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-18996?
- CVE-2026-18996 is a medium-severity vulnerability in Cosmicstack-labs Mercury-agent, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-08-06.
- How severe is CVE-2026-18996?
- Medium severity. CVSS v3 base score is 6.3 out of 10.