CVE-2026-90810

A security flaw has been discovered in cosmicstack-labs mercury-agent up to 1.1.13. The impacted element is the function PermissionManager.checkShellCommand of the file mercury-agent/src/capabilities/permissions.ts of the component Shell Command Permission Check. Performing a manipulation results in improper authorization. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

  • Published Sep 14, 2026
  • CVSS 2.1 low
  • 0.4% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-90810 at the National Vulnerability Database