CVE-2026-90811CWE-200CWE-284broken-access-controlinformation-disclosure

CVE-2026-90811

Low · published September 14, 2026

CVSS v3.1
3.3
EPSS
0%
Percentile
3.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.3 · LOW
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
4.8 · 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
EPSS
0.00149 · 3.7th percentile
Weaknesses
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor; CWE-284 · Improper Access Control
Published
2026-09-14T23:18Z
References (6)
https://github.com/cosmicstack-labs/mercury-agent/ · [email protected]https://github.com/cosmicstack-labs/mercury-agent/issues/102 · [email protected]https://vuldb.com/cve/CVE-2026-90811 · [email protected]https://vuldb.com/submit/922877 · [email protected]https://vuldb.com/vuln/403313 · [email protected]https://vuldb.com/vuln/403313/cti · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 18:45Z
    cosmicstack-labs mercury-agent Shell Permission Manifest permissions.ts PermissionManager.checkShellCommand information disclosure
    cvelistv5