CVE-2026-90813Medium· 4.3▾ TwilightPoC availableA 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 inc…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 23.7 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.3%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-90814Medium· 6.3A flaw has been found in cosmicstack-labs mercury-agent up to 1.1.13
CVE-2026-90812Medium· 4.3A security vulnerability has been detected in cosmicstack-labs mercury-agent up to 1.2.0
CVE-2026-90810Medium· 6.3A security flaw has been discovered in cosmicstack-labs mercury-agent up to 1.1.13
CVE-2026-90811Low· 3.3A weakness has been identified in cosmicstack-labs mercury-agent up to 1.2.0
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