CVE-2026-91642: oracle corporation oracle essbase
Vulnerability summary
CVE-2026-91642 is a high (CVSS 7.3) vulnerability in oracle corporation oracle essbase. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.4% of scored vulnerabilities.
Timeline
- 20-10-2026PublishedVulnerability first disclosed.
Description
Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows unauthenticated 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 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Oracle corporation1 product
- oracle essbase21.8.3.0.0
1 vendor · 1 product
References
1 links- www.oracle.com/security-alerts/cpuoct2026.htmlVendor Advisory