{"id":"CVE-2026-123551","kind":"vulnerability","aliases":["CVE-2026-123551"],"related":[],"title":"OpenAM: unauthenticated attackers can steal live session tokens and hijack logins","description":"OpenAM from 14.0.0 before 16.1.4 contains an information disclosure vulnerability that allows unauthenticated attackers to read live session tokens from the notification WebSocket. Attackers can bypass the agent-only check through an unvalidated internal forward on legacy Liberty ID-FF endpoints, collecting iPlanetDirectoryPro tokens to hijack user and administrator sessions.","summary":"OpenAM versions from 14.0.0 before 16.1.4 leak live session tokens (iPlanetDirectoryPro) through the notification WebSocket and legacy Liberty ID-FF endpoints. An unauthenticated attacker can collect these tokens and take over user and administrator sessions.","severity":"critical","cvss":10.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["identity","openam","other","self-hosted","sso"],"not_affected_if":["version-16.1.4-or-later"],"how_to_check":"- Check the OpenAM version in use against the product range `14.0.0` to `16.1.4` (before fixed)\n- Review the sources for whether the notification WebSocket and legacy Liberty ID-FF endpoints are exposed","fix":"- OpenAM: move to `16.1.4` or later","status":"open","published_at":"2026-11-08T02:16:46+00:00","first_seen_at":"2026-11-08T02:21:11+00:00","triaged_at":"2026-11-08T02:22:34+00:00","updated_at":"2026-11-08T02:22:34+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-08T02:22:34Z","model":"claude-haiku-5-5","output":{"fix":"- OpenAM: move to `16.1.4` or later","reach":"internet","title":"OpenAM: unauthenticated attackers can steal live session tokens and hijack logins","impact":"high","summary":"OpenAM versions from 14.0.0 before 16.1.4 leak live session tokens (iPlanetDirectoryPro) through the notification WebSocket and legacy Liberty ID-FF endpoints. An unauthenticated attacker can collect these tokens and take over user and administrator sessions.","audience":"businesses","category":"other","nicknames":[],"who_cares":["openam","self-hosted","sso","identity"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker takes over user and administrator sessions by stealing session tokens","analyst_note":"Confirm whether the notification WebSocket and legacy Liberty ID-FF endpoints are enabled by default, using the vendor advisory at github.com linked in the sources.","how_to_check":"- Check the OpenAM version in use against the product range `14.0.0` to `16.1.4` (before fixed)\n- Review the sources for whether the notification WebSocket and legacy Liberty ID-FF endpoints are exposed\n- unknown for any other configuration detail","plain_action":"","needs_analyst":true,"not_affected_if":["version-16.1.4-or-later"],"who_is_affected":"OpenAM deployments from 14.0.0 before 16.1.4 are exposed, particularly where the notification WebSocket and legacy Liberty ID-FF endpoints are reachable. Teams running OpenAM on 16.1.4 or later are not affected by this signal. Whether the legacy endpoints are enabled in typical configurations is unknown from the sources.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000754,"input_tokens":4308,"output_tokens":646,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-123551':14A,17A '-2026':13A,16A '14.0.0':28B,63C '16.1.4':30B,65C 'administr':59B,111C 'agent':89C 'agent-on':88C 'allow':72C 'attack':3A,49B,74C,84C 'bypass':86C 'check':91C 'collect':51B,104C 'contain':66C 'cve':12A,15A 'disclosur':69C 'endpoint':46B,103C 'ff':45B,102C 'forward':96C 'hijack':10A,108C 'host':23B 'id':44B,101C 'id-ff':43B,100C 'ident':18B 'inform':68C 'intern':95C 'iplanetdirectorypro':35B,105C 'leak':31B 'legaci':41B,98C 'liberti':42B,99C 'live':6A,32B,77C 'login':11A 'notif':38B,82C 'openam':1A,19B,25B,61C 'read':76C 'self':22B 'self-host':21B 'session':7A,33B,60B,78C,112C 'sso':24B 'steal':5A 'take':55B 'token':8A,34B,53B,79C,106C 'unauthent':2A,48B,73C 'unvalid':94C 'user':57B,109C 'version':26B 'vulner':70C 'websocket':39B,83C","nicknames":[],"mitigations":[],"who_affected":"OpenAM deployments from 14.0.0 before 16.1.4 are exposed, particularly where the notification WebSocket and legacy Liberty ID-FF endpoints are reachable. Teams running OpenAM on 16.1.4 or later are not affected by this signal. Whether the legacy endpoints are enabled in typical configurations is unknown from the sources.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["critical","identity","openam","other","selfhosted","sso"],"campaign_type":null,"search_a":"'-123551':14A,17A '-2026':13A,16A 'attack':3A 'cve':12A,15A 'hijack':10A 'live':6A 'login':11A 'openam':1A 'session':7A 'steal':5A 'token':8A 'unauthent':2A","search_b":"'14.0.0':28B '16.1.4':30B 'administr':59B 'attack':49B 'collect':51B 'endpoint':46B 'ff':45B 'host':23B 'id':44B 'id-ff':43B 'ident':18B 'iplanetdirectorypro':35B 'leak':31B 'legaci':41B 'liberti':42B 'live':32B 'notif':38B 'openam':19B,25B 'self':22B 'self-host':21B 'session':33B,60B 'sso':24B 'take':55B 'token':34B,53B 'unauthent':48B 'user':57B 'version':26B 'websocket':39B","search_c":"'14.0.0':63C '16.1.4':65C 'administr':111C 'agent':89C 'agent-on':88C 'allow':72C 'attack':74C,84C 'bypass':86C 'check':91C 'collect':104C 'contain':66C 'disclosur':69C 'endpoint':103C 'ff':102C 'forward':96C 'hijack':108C 'id':101C 'id-ff':100C 'inform':68C 'intern':95C 'iplanetdirectorypro':105C 'legaci':98C 'liberti':99C 'live':77C 'notif':82C 'openam':61C 'read':76C 'session':78C,112C 'token':79C,106C 'unauthent':73C 'unvalid':94C 'user':109C 'vulner':70C 'websocket':83C","first_public_at":"2026-10-22T08:43:34+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-123551","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123551","severity":null,"published_at":"2026-11-08T02:16:46+00:00","modified_at":"2026-11-08T02:16:46+00:00","first_seen_at":"2026-11-08T02:21:11+00:00","fetched_at":"2026-11-08T02:21:11+00:00","note":null}],"documents":[{"id":99251,"url":"https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-5c3q-hp86-xjr8","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-22T08:43:34+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":99252,"url":"https://www.vulncheck.com/advisories/openam-14.0.0-before-16.1.4-session-token-disclosure-via-notification-websocket","title":"Third-party advisory: www.vulncheck.com","kind":"advisory","source":"nvd","publisher":"research","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Third-party advisory: www.vulncheck.com"}],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}