{"id":"CVE-2026-116018","published":"2026-10-24T12:16:58.303","lastModified":"2026-10-26T17:12:19.490","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.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/ONEARMY/community-platform/blob/v2.163.2/src/routes/api.notifications.$id.read.ts#L6-L22","tags":[]},{"url":"https://github.com/ONEARMY/community-platform/commit/571732c26caf1a0a46e5335d275cef2e19dfab08","tags":[]},{"url":"https://github.com/ONEARMY/community-platform/issues/5022","tags":[]},{"url":"https://github.com/ONEARMY/community-platform/pull/5011","tags":[]},{"url":"https://github.com/ONEARMY/community-platform/releases/tag/v2.165.2","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/onearmy-community-platform-notification-read-idor","tags":[]},{"url":"https://www.vulncheck.com/advisories/onearmy-community-platform-before-2.165.2-idor-via-notification-read-endpoint","tags":[]}],"exploitRefs":[{"url":"https://github.com/ONEARMY/community-platform/blob/v2.163.2/src/routes/api.notifications.$id.read.ts#L6-L22","tags":[]},{"url":"https://github.com/ONEARMY/community-platform/commit/571732c26caf1a0a46e5335d275cef2e19dfab08","tags":[]},{"url":"https://github.com/ONEARMY/community-platform/issues/5022","tags":[]},{"url":"https://github.com/ONEARMY/community-platform/pull/5011","tags":[]},{"url":"https://github.com/ONEARMY/community-platform/releases/tag/v2.165.2","tags":[]}],"hasPoc":true,"ai":null}