CVE-2026-90812cosmicstack-labs mercury-agent Shell Command Permission permissions.ts checkShellCommand privileges assignment
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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.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-266
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
cosmicstack-labs mercury-agent cosmicstack-labs:mercury-agent | 1.0; 1.1; 1.2.0 | CNA record |
References
- https://vuldb.com/vuln/403314vdb-entry, technical-description
- https://vuldb.com/vuln/403314/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-90812third-party-advisory
- https://vuldb.com/submit/922878third-party-advisory
- https://github.com/cosmicstack-labs/mercury-agent/issues/80exploit, issue-tracking
- https://github.com/cosmicstack-labs/mercury-agent/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.