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CVE-2026-90810

mercury-agent · Vulnerability

CVSS 4.0 5.3 MEDIUMCVSS 3.1 6.3 MEDIUMCVSS 3.0 6.3 MEDIUMCVSS 2.0 6.5 Check source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-90810

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-90810

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": "1.1.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.4",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.5",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.6",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.7",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.8",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.9",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.10",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.11",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.12",
                            "status": "affected"
                        },
                        {
                            "version": "1.1.13",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:cosmicstack-labs:mercury-agent:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Shell Command Permission Check"
                    ]
                }

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