CVE-2026-91658
Oracle Corporation Oracle Essbase
- Oracle Corporation Oracle Essbase
- Critical
- CVSS 9.9
- EPSS 0.29%
- No fixed version listed
What to do
No fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Oracle Corporation Oracle Essbase | 21.8.3.0.0 | None listed |
Advisories and fixes
- Vendor advisory www.oracle.com
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.9 (v3.1, scored by oracle)
- EPSS
- 0.29% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 23, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: no. Technical impact: total. As of Oct 23, 2026.
- Weakness
- CWE-284: Improper Access Control
- Vendor
- Oracle Corporation, Oracle Essbase
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.