HIGHVulnerability
CVE-2026-85390
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.
Properties
- severity
- HIGH
- score
- 7.1
- cve_id
- CVE-2026-85390
- signal_observed_at
- 2026-09-15T21:20:01+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
- published_at
- 2026-09-03T19:17:30.690
- last_modified
- 2026-09-10T15:53:23.707
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Missing Authorization
DESCRIBED_BY (1)
→[Source]NVD
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