{"id":"CVE-2026-116018","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-116018","generatedAt":"2026-10-27T23:59:20.180Z","title":"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.","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.","published":"2026-10-24T12:16:58.000Z","lastModified":"2026-10-26T17:12:19.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.00213,"percentile":0.11484,"date":"2026-10-26","history":[{"date":"2026-10-25","score":0.00213,"percentile":0.11476}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-24T12:16:58.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-10-24T12:16:58.303Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://github.com/ONEARMY/community-platform/blob/v2.163.2/src/routes/api.notifications.$id.read.ts#L6-L22","source":"disclosure@vulncheck.com"},{"url":"https://github.com/ONEARMY/community-platform/commit/571732c26caf1a0a46e5335d275cef2e19dfab08","source":"disclosure@vulncheck.com"},{"url":"https://github.com/ONEARMY/community-platform/issues/5022","source":"disclosure@vulncheck.com"},{"url":"https://github.com/ONEARMY/community-platform/pull/5011","source":"disclosure@vulncheck.com"},{"url":"https://github.com/ONEARMY/community-platform/releases/tag/v2.165.2","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@hieuPenguinnn/onearmy-community-platform-notification-read-idor","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/onearmy-community-platform-before-2.165.2-idor-via-notification-read-endpoint","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-116018","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}