CVE-2026-85390
highCheckmate through 3.11.0 omits the isAllowed role guard middleware on maintenance-window, notification, and check-deletion routes, allowing read-only users to…
Checkmate through 3.11.0 omits the isAllowed role guard middleware on maintenance-window, notification, and check-deletion routes, allowing read-only users to perform administrative actions. Attackers with user-role sessions can create arbitrary maintenance windows to silence alerts, modify notification channels, and delete monitor check history to erase incident evidence.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/bluewave-labs/Checkmate disclosure@vulncheck.com
- https://github.com/bluewave-labs/Checkmate/blob/v3.11.0/server/src/api/routes/checkRoutes.... disclosure@vulncheck.com
- https://github.com/bluewave-labs/Checkmate/blob/v3.11.0/server/src/api/routes/maintenanceW... disclosure@vulncheck.com
- https://github.com/bluewave-labs/Checkmate/blob/v3.11.0/server/src/api/routes/notification... disclosure@vulncheck.com
- https://github.com/bluewave-labs/Checkmate/issues/3916 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/checkmate-through-3.11.0-missing-authorization-on-mai... disclosure@vulncheck.com
- https://github.com/bluewave-labs/Checkmate/issues/3916 134c704f-9b21-4f2e-91b3-4a467353bcc0