CVE-2026-90810
cosmicstack-labs mercury-agent Shell Command Permission Check permissions.ts PermissionManager.checkShellCommand improper authorization
CVSS Score
6.3
EPSS Score
0.0%
EPSS Percentile
0th
A security flaw has been discovered in cosmicstack-labs mercury-agent up to 1.1.13. The impacted element is the function PermissionManager.checkShellCommand of the file mercury-agent/src/capabilities/permissions.ts of the component Shell Command Permission Check. Performing a manipulation results in improper authorization. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
| CWE | CWE-285 CWE-266 |
| Vendor | cosmicstack-labs |
| Product | mercury-agent |
| Published | Sep 14, 2026 |
| Last Updated | Sep 15, 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 1.1.13
References
vuldb.com: https://vuldb.com/vuln/403312 vuldb.com: https://vuldb.com/vuln/403312/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90810 vuldb.com: https://vuldb.com/submit/922876 github.com: https://github.com/cosmicstack-labs/mercury-agent/issues/101 github.com: https://github.com/cosmicstack-labs/mercury-agent/
Credits
🔍 Eric-a (VulDB User) VulDB CNA Team