CVE-2026-18996
cosmicstack-labs mercury-agent run_command permissions.ts PermissionManager.checkShellCommand privileges assignment
CVSS Score
6.3
EPSS Score
0.0%
EPSS Percentile
0th
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. Such manipulation leads to incorrect privilege assignment. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
| CWE | CWE-266 |
| Vendor | cosmicstack-labs |
| Product | mercury-agent |
| Published | Aug 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
cosmicstack-labs / mercury-agent
1.1.0 1.1.1 1.1.2 1.1.3 1.1.4 1.1.5 1.1.6 1.1.7 1.1.8 1.1.9 1.1.10 1.1.11 1.1.12
References
vuldb.com: https://vuldb.com/vuln/386379 vuldb.com: https://vuldb.com/vuln/386379/cti vuldb.com: https://vuldb.com/cve/CVE-2026-18996 vuldb.com: https://vuldb.com/submit/862625 vuldb.com: https://vuldb.com/submit/862630 vuldb.com: https://vuldb.com/submit/862636 vuldb.com: https://vuldb.com/submit/862637 github.com: https://github.com/cosmicstack-labs/mercury-agent/issues/72 github.com: https://github.com/cosmicstack-labs/mercury-agent/
Credits
🔍 ChenMarry (VulDB User) VulDB CNA Team