{"id":"CVE-2026-91588","kind":"vulnerability","aliases":["CVE-2026-91588"],"related":[],"title":"Oracle BI Enterprise Edition: BI Search flaw lets unauthenticated attackers change data","description":"Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Analytics (component: BI Search).  Supported versions that are affected are 8.2.0.0.0 and  12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Business Intelligence Enterprise Edition.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Business Intelligence Enterprise Edition accessible data. CVSS 3.1 Base Score 6.5 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N).","summary":"Oracle Business Intelligence Enterprise Edition's BI Search component has a flaw that an unauthenticated attacker can reach over HTTP. With a user's interaction, the attacker can create, delete or modify data the BI system can access.","severity":"medium","cvss":6.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["oracle-analytics","oracle-bi-ee","self-hosted","vendor"],"not_affected_if":["unaffected-version"],"how_to_check":"- Check the installed Oracle Business Intelligence Enterprise Edition version against the affected versions `8.2.0.0.0` and `12.2.1.4.0`\n- Confirm whether the BI Search component is in use: unknown","fix":"- Apply the Oracle Critical Patch Update fix for Oracle Business Intelligence Enterprise Edition; the specific patched version is unknown from the sources","status":"open","published_at":"2026-10-20T22:21:00+00:00","first_seen_at":"2026-10-23T21:57:27+00:00","triaged_at":"2026-10-25T03:49:15+00:00","updated_at":"2026-10-25T03:49:15+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T03:49:15Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update fix for Oracle Business Intelligence Enterprise Edition; the specific patched version is unknown from the sources","reach":"network","title":"Oracle BI Enterprise Edition: BI Search flaw lets unauthenticated attackers change data","impact":"medium","summary":"Oracle Business Intelligence Enterprise Edition's BI Search component has a flaw that an unauthenticated attacker can reach over HTTP. With a user's interaction, the attacker can create, delete or modify data the BI system can access.","category":"vendor","nicknames":[],"who_cares":["oracle-analytics","oracle-bi-ee","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Unauthorized creation, deletion or modification of critical BI data","analyst_note":"Confirm the patched version and the vendor advisory for CVE-2026-91588 and whether BI Search must be enabled, using the NVD entry.","how_to_check":"- Check the installed Oracle Business Intelligence Enterprise Edition version against the affected versions `8.2.0.0.0` and `12.2.1.4.0`\n- Confirm whether the BI Search component is in use: unknown","needs_analyst":true,"not_affected_if":["unaffected-version"],"who_is_affected":"Deployments of Oracle Business Intelligence Enterprise Edition on the affected versions that are reachable over HTTP from the network. Sources do not say whether the BI Search component is required to be enabled, so teams on other Oracle Analytics products or on patched builds can skip it.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00065,"input_tokens":3525,"output_tokens":595,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-91588':15A,18A '/av':159C '12.2.1.4.0':91C '3.1':149C,158C '6.5':152C '8.2.0.0.0':89C 'access':67B,100C,135C,146C 'affect':87C 'allow':95C 'analyt':21B,79C 'attack':10A,45B,56B,97C,111C,121C,123C 'base':150C 'bi':2A,5A,24B,36B,64B,81C 'busi':31B,72C,106C,142C 'chang':11A 'compon':38B,80C 'compromis':104C 'creat':58B 'creation':131C 'critic':137C 'cve':13A,16A 'cvss':148C,155C,157C 'data':12A,62B,138C,147C 'delet':59B,132C 'easili':92C 'edit':4A,34B,75C,109C,145C 'ee':25B 'enterpris':3A,33B,74C,108C,144C 'exploit':93C 'flaw':7A,41B 'h/a':166C 'host':28B 'http':49B,102C 'human':113C 'impact':154C 'integr':153C 'intellig':32B,73C,107C,143C 'interact':54B,114C 'l/pr':161C 'let':8A 'modif':134C 'modifi':61B 'n':167C 'n/ac':160C 'n/i':165C 'n/ui':162C 'network':99C 'oracl':1A,20B,23B,30B,71C,78C,105C,141C 'oracle-analyt':19B 'oracle-bi-e':22B 'person':117C 'product':76C 'r/s':163C 'reach':47B 'requir':112C 'result':128C 'score':151C 'search':6A,37B,82C 'self':27B 'self-host':26B 'success':110C,122C 'support':83C 'system':65B 'u/c':164C 'unauthent':9A,44B,96C 'unauthor':130C 'user':52B 'vector':156C 'vendor':29B 'version':84C 'via':101C 'vulner':68C,94C,126C","nicknames":[],"mitigations":[],"who_affected":"Deployments of Oracle Business Intelligence Enterprise Edition on the affected versions that are reachable over HTTP from the network. Sources do not say whether the BI Search component is required to be enabled, so teams on other Oracle Analytics products or on patched builds can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:21:00+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91588","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91588","severity":null,"published_at":"2026-10-20T22:21:00+00:00","modified_at":"2026-10-21T18:44:55+00:00","first_seen_at":"2026-10-23T21:57:27+00:00","fetched_at":"2026-10-23T22:29:01+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"}