{"id":"CVE-2026-116018","title":"ONEARMY community-platform before 2.165.2 IDOR via notification read endpoint","summary":"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 s…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"ONEARMY","product":"community-platform","affected":["community-platform < 2.165.2"],"published":"2026-10-24","updated":"2026-10-24","sourceUpdated":"2026-10-24T11:40:34.948Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116018","references":[{"url":"https://github.com/ONEARMY/community-platform/issues/5022"},{"url":"https://github.com/ONEARMY/community-platform/pull/5011"},{"url":"https://github.com/ONEARMY/community-platform/commit/571732c26caf1a0a46e5335d275cef2e19dfab08"},{"url":"https://github.com/ONEARMY/community-platform/releases/tag/v2.165.2","label":"community-platform v2.165.2 Release Notes"},{"url":"https://github.com/ONEARMY/community-platform/blob/v2.163.2/src/routes/api.notifications.$id.read.ts#L6-L22"},{"url":"https://hackmd.io/@hieuPenguinnn/onearmy-community-platform-notification-read-idor"},{"url":"https://www.vulncheck.com/advisories/onearmy-community-platform-before-2.165.2-idor-via-notification-read-endpoint","label":"VulnCheck Advisory: ONEARMY community-platform before 2.165.2 IDOR via notification read endpoint"}],"tags":["cve.org"],"ingestedAt":"2026-10-24T11:57:47.027Z","slug":"CVE-2026-116018","body":"## Overview\n\nONEARMY 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.\n\n## Affected\n\n- `community-platform < 2.165.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}