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CVE-2026-90811mediumCWE-200CWE-284

cosmicstack-labs mercury-agent Shell Permission Manifest permissions.ts PermissionManager.checkShellCommand information disclosure

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 4.8epss 0.1%
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A weakness has been identified in cosmicstack-labs mercury-agent up to 1.2.0. This affects the function PermissionManager.checkShellCommand of the file mercury-agent/src/capabilities/permissions.ts of the component Shell Permission Manifest. Executing a manipulation can lead to information disclosure. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.