{"id":"CVE-2026-116018","aliases":["EUVD-2026-109276","GHSA-rq5g-4m5j-8p36"],"status":"published","title":"ONEARMY community-platform before 2.165.2 IDOR via notification read endpoint","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.","severity":{"version":"4.0","score":5.3,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00213,"percentile":0.11689,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-10-24T11:40:34Z","modified":"2026-10-31T02:30:28Z","products":[{"vendor":"onearmy","product":"community-platform"}],"references":[{"url":"https://github.com/ONEARMY/community-platform/issues/5022","tags":["issue-tracking","report"]},{"url":"https://github.com/ONEARMY/community-platform/pull/5011","tags":["patch","issue-tracking","fix"]},{"url":"https://github.com/ONEARMY/community-platform/commit/571732c26caf1a0a46e5335d275cef2e19dfab08","tags":["patch","fix"]},{"url":"https://github.com/ONEARMY/community-platform/releases/tag/v2.165.2","tags":["release-notes","advisory"]},{"url":"https://github.com/ONEARMY/community-platform/blob/v2.163.2/src/routes/api.notifications.$id.read.ts#L6-L22","tags":["technical-description","article"]},{"url":"https://hackmd.io/@hieuPenguinnn/onearmy-community-platform-notification-read-idor","tags":["third-party-advisory","exploit","advisory"]},{"url":"https://www.vulncheck.com/advisories/onearmy-community-platform-before-2.165.2-idor-via-notification-read-endpoint","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116018","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rq5g-4m5j-8p36"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116018.json","tags":["advisory"]},{"url":"https://github.com/ONEARMY/community-platform","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-116018","title":"ONEARMY community-platform before 2.165.2 IDOR via notification read endpoint","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.","status":"published","published":"2026-10-24T11:40:34.948Z","modified":"2026-10-29T15:23:13.164Z","cvss":[{"version":"4.0","score":5.3,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:20:03.827373Z"}],"euvd":[{"id":"EUVD-2026-109276","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.","status":"published","published":"2026-10-24T11:40:34Z","modified":"2026-10-29T15:23:13Z","cvss":[{"version":"4.0","score":5.3,"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","level":"medium"}],"updated_at":"2026-11-02T16:59:16.056394Z"}],"ghsa":[{"id":"GHSA-rq5g-4m5j-8p36","title":"ONEARMY community-platform before 2.165.2 contains an insecure direct object reference...","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.","status":"published","published":"2026-10-24T12:30:24Z","modified":"2026-10-24T12:30:31Z","cvss":[{"version":"4.0","score":5.3,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:14:21.369076Z"}],"nvd":[{"id":"CVE-2026-116018","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.","status":"published","published":"2026-10-24T12:16:58.303Z","modified":"2026-10-29T16:17:59.98Z","cvss":[{"version":"4.0","score":5.3,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:13:03.126833Z"}],"osv":[{"id":"CVE-2026-116018","title":"ONEARMY community-platform before 2.165.2 IDOR via notification read endpoint","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.","status":"published","published":"2026-10-24T11:40:34.948Z","modified":"2026-10-31T02:30:28.777849424Z","cvss":[{"version":"4.0","score":5.3,"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","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:44:56.675758Z"}]}}