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CVE-2026-92601

Guns through 8.3.5 Improper Access Control via SysNoticeController

CVSS 4.0 7.1 HIGHCVSS 3.1 6.5 MEDIUMCheck 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-2026-92601

Published

Guns through 8.3.5 contains an improper access control vulnerability in SysNoticeController where requiredPermission defaults to false and is not overridden by any action methods. Authenticated users without assigned roles can exploit this to create, edit, delete, publish and retract system-wide notices affecting arbitrary users and departments.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-92601

Published

Guns

https://github.com/stylefeng/Guns

Publisher's version information

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

{
                    "vendor": "stylefeng",
                    "product": "Guns",
                    "collectionURL": "https://github.com/stylefeng/Guns",
                    "repo": "https://github.com/stylefeng/Guns",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "8.3.5",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

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