CVE-2026-18996

A vulnerability has been found in cosmicstack-labs mercury-agent up to 1.1.12. This vulnerability affects the function PermissionManager.checkShellCommand of the file src/capabilities/permissions.ts of the component run_command Handler. Such manipulation leads to incorrect privilege assignment. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/cosmicstack-labs/mercury-agent/
https://github.com/cosmicstack-labs/mercury-agent/issues/72
https://vuldb.com/cve/CVE-2026-18996
https://vuldb.com/submit/862625
https://vuldb.com/submit/862630
https://vuldb.com/submit/862636
https://vuldb.com/submit/862637
https://vuldb.com/vuln/386379
https://vuldb.com/vuln/386379/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-06 05:16

Updated : 2026-08-12 21:00

NVD link : CVE-2026-18996

Mitre link : CVE-2026-18996

CVE.ORG link : CVE-2026-18996

JSON object : View

Products Affected

No product.

CWE

CWE-266

Incorrect Privilege Assignment

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This vulnerability affects the function PermissionManager.checkShellCommand of the file src/capabilities/permissions.ts of the component run_command Handler. Such manipulation leads to incorrect privilege assignment. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet."}], "lastModified": "2026-08-12T21:00:37.147", "sourceIdentifier": "cna@vuldb.com"}