Vulnerability Description
ONEARMY community-platform before 2.165.2 contains an insecure direct object reference vulnerability that allows authenticated users to mark other users' notifications as read via POST /api/notifications/:id/read. Attackers can iterate sequential notification IDs to suppress unread indicators of users in the same tenant, causing them to miss replies, comments and new-content notices.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/ONEARMY/community-platform/blob/v2.163.2/src/routes/api.notif
- https://github.com/ONEARMY/community-platform/commit/571732c26caf1a0a46e5335d275
- https://github.com/ONEARMY/community-platform/issues/5022
- https://github.com/ONEARMY/community-platform/pull/5011
- https://github.com/ONEARMY/community-platform/releases/tag/v2.165.2
- https://hackmd.io/@hieuPenguinnn/onearmy-community-platform-notification-read-id
- https://www.vulncheck.com/advisories/onearmy-community-platform-before-2.165.2-i
- https://hackmd.io/@hieuPenguinnn/onearmy-community-platform-notification-read-id
FAQ
What is CVE-2026-116018?
CVE-2026-116018 is a vulnerability with a CVSS score of 4.3 (MEDIUM). ONEARMY community-platform before 2.165.2 contains an insecure direct object reference vulnerability that allows authenticated users to mark other users' notifications as read via POST /api/notificati...
How severe is CVE-2026-116018?
CVE-2026-116018 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116018?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.