Medium 4.3Published Sep 14, 2026

CVE-2026-90813cosmicstack-labs mercury-agent Shell Command Execution permissions.ts checkShellCommand validate before canonicalize

Updated under an hour ago (2026-10-19 07:00 UTC)

Does this affect you?

It affects cosmicstack-labs mercury-agent. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for cosmicstack-labs mercury-agent

Exploited in the last 30 days

A vulnerability was detected in cosmicstack-labs mercury-agent up to 1.1.13. Affected is the function checkShellCommand of the file src/capabilities/permissions.ts of the component Shell Command Execution. The manipulation results in incorrect behavior order: validate before canonicalize. The attack may be launched remotely. The exploit is now public 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-180, CWE-179
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 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

cosmicstack-labs mercury-agent 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; and 6 more ranges	CNA record

References

https://vuldb.com/vuln/403315vdb-entry, technical-description
https://vuldb.com/vuln/403315/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-90813third-party-advisory
https://vuldb.com/submit/922879third-party-advisory
https://github.com/cosmicstack-labs/mercury-agent/issues/95exploit, 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.