{"id":"CVE-2026-91344","kind":"vulnerability","aliases":["CVE-2026-91344"],"related":[],"title":"Oracle Outside In Clean Content SDK: unauthenticated HTTP request crashes service","description":"Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Clean Content SDK).   The supported version that is affected is 8.5.8. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Outside In Technology. CVSS 3.1 Base Score 7.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).","summary":"The Oracle Outside In Clean Content SDK 8.5.8 can be made to hang or crash repeatedly by an unauthenticated attacker sending crafted requests over HTTP. The impact is denial of service only; no data is read or changed according to the CVSS vector.","severity":"high","cvss":7.5,"epss":0.00441,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["fusion-middleware","oracle","outside-in","package","self-hosted"],"not_affected_if":["no-network-exposure","sdk-not-deployed"],"how_to_check":"- Check whether an Oracle Outside In Clean Content SDK component is in use and which version it is: unknown\n- Look for the `8.5.8` version string in the application's Oracle Fusion Middleware deployment: unknown","fix":"- Move Oracle Outside In Technology off `8.5.8` to a patched release named in Oracle's security advisory: unknown","status":"open","published_at":"2026-10-20T22:20:36+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","triaged_at":"2026-10-25T03:18:30+00:00","updated_at":"2026-10-25T12:38:52+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T03:18:30Z","model":"claude-haiku-5-5","output":{"fix":"- Move Oracle Outside In Technology off `8.5.8` to a patched release named in Oracle's security advisory: unknown","reach":"network","title":"Oracle Outside In Clean Content SDK: unauthenticated HTTP request crashes service","impact":"low","summary":"The Oracle Outside In Clean Content SDK 8.5.8 can be made to hang or crash repeatedly by an unauthenticated attacker sending crafted requests over HTTP. The impact is denial of service only; no data is read or changed according to the CVSS vector.","category":"package","nicknames":[],"who_cares":["oracle","fusion-middleware","outside-in","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Service repeatedly hangs or crashes, causing full denial of service","analyst_note":"Find Oracle's advisory for CVE-2026-91344 and the patched Outside In Clean Content SDK version, linked from the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-91344.","how_to_check":"- Check whether an Oracle Outside In Clean Content SDK component is in use and which version it is: unknown\n- Look for the `8.5.8` version string in the application's Oracle Fusion Middleware deployment: unknown","needs_analyst":true,"not_affected_if":["sdk-not-deployed","no-network-exposure"],"who_is_affected":"Teams running Oracle Fusion Middleware with the Outside In Clean Content SDK 8.5.8 exposed to HTTP traffic from the network. Systems that do not ship this SDK, or that keep it off the network, are unlikely to be exposed. The sources do not name the exact products or patched versions.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000665,"input_tokens":3477,"output_tokens":634,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-91344':14A,17A '/av':151C '3.1':141C,150C '7.5':144C '8.5.8':36B,97C 'abil':124C 'access':106C 'accord':67B 'affect':95C 'allow':101C 'attack':48B,103C,116C 'avail':145C 'base':142C 'caus':126C 'chang':66B 'clean':4A,33B,87C 'complet':133C 'compon':84C 'compromis':110C 'content':5A,34B,88C 'craft':50B 'crash':10A,43B,132C 'cve':12A,15A 'cvss':70B,140C,147C,149C 'data':62B 'denial':57B 'dos':134C 'easili':98C 'exploit':99C 'frequent':130C 'fusion':19B,82C 'fusion-middlewar':18B 'h':159C 'hang':41B,128C 'host':28B 'http':8A,53B,108C 'impact':55B,146C 'l/pr':153C 'made':39B 'middlewar':20B,83C 'n/a':158C 'n/ac':152C 'n/i':157C 'n/s':155C 'n/ui':154C 'network':105C 'oracl':1A,21B,30B,75C,81C,111C,136C 'outsid':2A,23B,31B,76C,85C,112C,137C 'outside-in':22B 'packag':25B 'product':79C 'read':64B 'repeat':44B,131C 'request':9A,51B 'result':121C 'score':143C 'sdk':6A,35B,89C 'self':27B 'self-host':26B 'send':49B 'servic':11A,59B 'success':115C 'support':91C 'technolog':78C,114C,139C 'u/c':156C 'unauthent':7A,47B,102C 'unauthor':123C 'vector':71B,148C 'version':92C 'via':107C 'vulner':72C,100C,119C","nicknames":[],"mitigations":[],"who_affected":"Teams running Oracle Fusion Middleware with the Outside In Clean Content SDK 8.5.8 exposed to HTTP traffic from the network. Systems that do not ship this SDK, or that keep it off the network, are unlikely to be exposed. The sources do not name the exact products or patched versions.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:20:36+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91344","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91344","severity":null,"published_at":"2026-10-20T22:20:36+00:00","modified_at":"2026-10-22T19:18:03+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","fetched_at":"2026-10-23T22:29:00+00:00","note":null},{"source":"epss","external_id":"CVE-2026-91344","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-91344","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-25T12:38:52+00:00","fetched_at":"2026-10-25T12:38:52+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"}