{"id":"CVE-2026-91342","kind":"vulnerability","aliases":["CVE-2026-91342"],"related":[],"title":"Oracle Outside In Clean Content SDK: unauthenticated HTTP flaw allows data changes","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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle Outside In Technology, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Outside In Technology accessible data as well as  unauthorized read access to a subset of Oracle Outside In Technology accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N).","summary":"Oracle Outside In Technology's Clean Content SDK, version 8.5.8, has a flaw that an unauthenticated network attacker can reach over HTTP. A successful attack can create, change or delete critical data and read a subset of data, and it needs a person other than the attacker to interact.","severity":"high","cvss":8.2,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["fusion-middleware","oracle","outside-in","self-hosted","vendor"],"not_affected_if":["not-using-outside-in"],"how_to_check":"- unknown","fix":"- unknown","status":"open","published_at":"2026-10-20T22:20:36+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","triaged_at":"2026-10-25T03:04:01+00:00","updated_at":"2026-10-25T03:04:01+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T03:04:01Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"internet","title":"Oracle Outside In Clean Content SDK: unauthenticated HTTP flaw allows data changes","impact":"high","summary":"Oracle Outside In Technology's Clean Content SDK, version 8.5.8, has a flaw that an unauthenticated network attacker can reach over HTTP. A successful attack can create, change or delete critical data and read a subset of data, and it needs a person other than the attacker to interact.","category":"vendor","nicknames":[],"who_cares":["oracle","fusion-middleware","outside-in","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker modifies or deletes critical data and reads some data","analyst_note":"Check Oracle's Critical Patch Update advisory for the fixed version and the affected HTTP entry points; the NVD entry gives only the CVSS vector.","how_to_check":"- unknown","needs_analyst":true,"not_affected_if":["not-using-outside-in"],"who_is_affected":"Teams that ship or run Oracle Outside In Clean Content SDK 8.5.8 inside their own Oracle Fusion Middleware deployments or applications that expose it over HTTP. The sources do not say which deployment paths expose the component, so check whether your stack bundles it. Teams that do not use Oracle Outside In can skip this.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000613,"input_tokens":3570,"output_tokens":512,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-91342':15A,18A '/av':206C '3.1':194C,205C '8.2':197C '8.5.8':39B,104C 'access':113C,165C,175C,182C,191C 'addit':148C 'affect':102C 'allow':10A,108C 'attack':47B,54B,76B,110C,123C,133C,144C,153C 'base':195C 'c/c':211C 'chang':12A,57B,151C 'clean':4A,35B,94C 'compon':91C 'compromis':117C 'confidenti':198C 'content':5A,36B,95C 'creat':56B 'creation':161C 'critic':60B,167C 'cve':13A,16A 'cvss':193C,202C,204C 'data':11A,61B,67B,168C,176C,192C 'delet':59B,162C 'easili':105C 'exploit':106C 'flaw':9A,42B 'fusion':20B,89C 'fusion-middlewar':19B 'h/a':213C 'host':28B 'http':8A,51B,115C 'human':125C 'impact':147C,201C 'integr':200C 'interact':78B,126C 'l/i':212C 'l/pr':208C 'may':145C 'middlewar':21B,90C 'modif':164C 'n':214C 'n/ac':207C 'n/ui':209C 'need':70B 'network':46B,112C 'oracl':1A,22B,30B,82C,88C,118C,140C,171C,187C 'outsid':2A,24B,31B,83C,92C,119C,141C,172C,188C 'outside-in':23B 'person':72B,129C 'product':86C,149C 'r/s':210C 'reach':49B 'read':63B,181C 'requir':124C 'result':158C 'scope':150C 'score':196C 'sdk':6A,37B,96C 'self':27B 'self-host':26B 'signific':146C 'subset':65B,185C 'success':53B,122C,152C 'support':98C 'technolog':33B,85C,121C,143C,174C,190C 'unauthent':7A,45B,109C 'unauthor':160C,180C 'vector':203C 'vendor':29B 'version':38B,99C 'via':114C 'vulner':79C,107C,137C,156C 'well':178C","nicknames":[],"mitigations":[],"who_affected":"Teams that ship or run Oracle Outside In Clean Content SDK 8.5.8 inside their own Oracle Fusion Middleware deployments or applications that expose it over HTTP. The sources do not say which deployment paths expose the component, so check whether your stack bundles it. Teams that do not use Oracle Outside In can skip this.","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:R/S:C/C:L/I:H/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91342","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91342","severity":null,"published_at":"2026-10-20T22:20:36+00:00","modified_at":"2026-10-21T18:44:40+00:00","first_seen_at":"2026-10-23T21:57:26+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"}