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CVE-2026-90812

cosmicstack-labs mercury-agent Shell Command Permission permissions.ts checkShellCommand privileges assignment

CVSS 4.0 5.3 MEDIUMCVSS 3.1 4.3 MEDIUMCVSS 3.0 4.3 MEDIUMCVSS 2.0 4.0 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-90812

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-90812

Published

mercury-agent

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "cosmicstack-labs",
                    "product": "mercury-agent",
                    "versions": [
                        {
                            "version": "1.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.2.0",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:cosmicstack-labs:mercury-agent:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Shell Command Permission"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON