EUVD-2026-77770

| CVE-2026-90812 LOW

Incorrect Privilege Assignment (CWE-266)

2026-09-14 cna@vuldb.com

GHSA-27qc-j388-jw8p

Information Disclosure

2.1

CVSS 4.0 · Vendor: vuldb

Severity by source

Vendor (vuldb) PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (vuldb) · only source for this CVE.

CVSS VectorVendor: vuldb

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Sep 15, 2026 - 10:45 vuln.today

DescriptionCVE.org

A security vulnerability has been detected in cosmicstack-labs mercury-agent up to 1.2.0. This impacts the function checkShellCommand of the file src/capabilities/permissions.ts of the component Shell Command Permission. The manipulation leads to incorrect privilege assignment. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

AnalysisAI

Incorrect privilege assignment in the checkShellCommand permission check (src/capabilities/permissions.ts) of cosmicstack-labs mercury-agent through 1.2.0 lets a low-privileged remote caller obtain shell-command capabilities it should not have. Publicly available exploit code exists, and the maintainers have not responded to the issue report, so no fixed release is confirmed. …