{"identifier":"CVE-2026-91654","cve":{"id":"CVE-2026-91654","description":"Vulnerability in Oracle Essbase (component: Security).   The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Essbase.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Essbase accessible data as well as  unauthorized read access to a subset of Oracle Essbase accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Essbase. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).","published":"2026-10-20T22:21:05.683000+00:00","modified":"2026-10-27T14:17:05.477000+00:00","status":"Modified","score":6.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cvss_version":"3.1","affected":[{"criteria":"cpe:2.3:a:oracle:essbase:21.8.3.0.0:*:*:*:*:*:*:*","versionStartIncluding":"","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":""}],"weaknesses":["CWE-284","NVD-CWE-noinfo"],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","source":"secalert_us@oracle.com","tags":["Vendor Advisory"]}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"secalert_us@oracle.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","baseScore":6.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":2.8,"impactScore":3.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-27T13:14:58.500767Z","id":"CVE-2026-91654","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:essbase:21.8.3.0.0:*:*:*:*:*:*:*","matchCriteriaId":"C007BCDF-F9BB-4D55-9B27-4A0997882337"}]}]}],"source":"nvd","retrieved_at":"2026-10-28T10:26:22.845505+00:00","exploited":false,"kev_stale":false,"products":["oracle / essbase"],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00164,"percentile":0.05632,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"www.oracle.com","source_url":"https://www.oracle.com/security-alerts/cpuoct2026.html","investigate_url":"https://investigate.aeglixmind.com/#www.oracle.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-91654","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-91654","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-91654","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}