{"id":"CVE-2026-91504","kind":"vulnerability","aliases":["CVE-2026-91504"],"related":[],"title":"Oracle WebCenter Content: flaw in Content Portal Suite allows full takeover","description":"Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Portal Suite).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Content.  Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Content. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).","summary":"Oracle WebCenter Content's Content Portal Suite component has a flaw that a low-privileged user can reach over HTTP. A successful attack can take over the WebCenter Content server, with high impact to confidentiality, integrity and availability.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["fusion-middleware","oracle","runtime","self-hosted","webcenter-content"],"not_affected_if":["component-not-deployed","unaffected-version"],"how_to_check":"- Check the installed WebCenter Content version against `12.2.1.4.0` and `14.1.2.0.0`\n- Confirm whether the Content Portal Suite component is deployed\n- Review the Oracle Critical Patch Update advisory for the patched build","fix":"- Apply the Oracle Critical Patch Update fix for WebCenter Content, moving off `12.2.1.4.0` or `14.1.2.0.0`\n- Restrict HTTP access to the portal to trusted networks until patched","status":"open","published_at":"2026-10-20T22:20:54+00:00","first_seen_at":"2026-10-23T21:57:27+00:00","triaged_at":"2026-10-25T03:18:17+00:00","updated_at":"2026-10-25T03:18:17+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-25T03:18:17Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update fix for WebCenter Content, moving off `12.2.1.4.0` or `14.1.2.0.0`\n- Restrict HTTP access to the portal to trusted networks until patched","reach":"internet","title":"Oracle WebCenter Content: flaw in Content Portal Suite allows full takeover","impact":"high","summary":"Oracle WebCenter Content's Content Portal Suite component has a flaw that a low-privileged user can reach over HTTP. A successful attack can take over the WebCenter Content server, with high impact to confidentiality, integrity and availability.","category":"runtime","nicknames":[],"who_cares":["oracle","webcenter-content","fusion-middleware","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker takes over the WebCenter Content server","analyst_note":"Check Oracle's CPU advisory at https://nvd.nist.gov/vuln/detail/CVE-2026-91504 for the patched build numbers and the specific fix for Content Portal Suite.","how_to_check":"- Check the installed WebCenter Content version against `12.2.1.4.0` and `14.1.2.0.0`\n- Confirm whether the Content Portal Suite component is deployed\n- Review the Oracle Critical Patch Update advisory for the patched build","needs_analyst":true,"not_affected_if":["unaffected-version","component-not-deployed"],"who_is_affected":"Teams running Oracle WebCenter Content 12.2.1.4.0 or 14.1.2.0.0 with the Content Portal Suite component exposed over HTTP. The attacker needs a low-privileged account and the exploit is described as difficult, so exposure is mainly for internet-facing or broadly reachable portals. Sites on unaffected versions or without this component can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000689,"input_tokens":3475,"output_tokens":683,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-91504':14A,17A '/av':137C '12.2.1.4.0':89C '14.1.2.0.0':91C '3.1':124C,136C '7.5':127C 'access':102C 'affect':87C 'allow':9A,96C 'attack':52B,99C,111C 'avail':67B,131C 'base':125C 'compon':36B,79C 'compromis':106C 'confidenti':64B,128C 'content':3A,6A,28B,31B,33B,58B,73C,80C,109C,122C 'cve':12A,15A 'cvss':123C,133C,135C 'difficult':92C 'exploit':94C 'flaw':4A,39B 'full':10A 'fusion':19B,77C 'fusion-middlewar':18B 'h':145C 'h/a':144C 'h/i':143C 'h/pr':139C 'high':61B 'host':25B 'http':49B,104C 'impact':62B,132C 'integr':65B,129C 'l/ui':140C 'low':43B,97C 'low-privileg':42B 'middlewar':20B,78C 'n/ac':138C 'n/s':141C 'network':101C 'oracl':1A,21B,29B,71C,76C,107C,120C 'portal':7A,34B,81C 'privileg':44B,98C 'product':74C 'reach':47B 'result':116C 'runtim':22B 'score':126C 'self':24B 'self-host':23B 'server':59B 'success':51B,110C 'suit':8A,35B,82C 'support':83C 'take':54B 'takeov':11A,118C 'u/c':142C 'user':45B 'vector':134C 'version':84C 'via':103C 'vulner':68C,95C,114C 'webcent':2A,27B,30B,57B,72C,108C,121C 'webcenter-cont':26B","nicknames":[],"mitigations":[],"who_affected":"Teams running Oracle WebCenter Content 12.2.1.4.0 or 14.1.2.0.0 with the Content Portal Suite component exposed over HTTP. The attacker needs a low-privileged account and the exploit is described as difficult, so exposure is mainly for internet-facing or broadly reachable portals. Sites on unaffected versions or without this component can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:20:54+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91504","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91504","severity":null,"published_at":"2026-10-20T22:20:54+00:00","modified_at":"2026-10-21T18:44:55+00:00","first_seen_at":"2026-10-23T21:57:27+00:00","fetched_at":"2026-10-23T22:29:00+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}