CVE-2026-90811 — LOW (3.3) — White Hats Nepal

Vulnerability Description

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 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-284 CWE-200

References

FAQ

What is CVE-2026-90811?

CVE-2026-90811 is a vulnerability with a CVSS score of 3.3 (LOW). 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...

How severe is CVE-2026-90811?

CVE-2026-90811 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-90811?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.