Vulnerability details

CVE-2026-91502

Oracle WebLogic Server
CVSS 3.1
7.3High

Official description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data as well as unauthorized read access to a subset of Oracle WebLogic Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebLogic Server. 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 scores

ScoreVersionSourceVector
7.3High 3.1 CVEProject cvelistV5 (CNA) (oracle) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

VendorProductVersionsSource
Oracle Corporation Oracle WebLogic Server 12.2.1.4.0 CVEProject cvelistV5 (CNA)
Oracle Corporation Oracle WebLogic Server 14.1.1.0.0 CVEProject cvelistV5 (CNA)
Oracle Corporation Oracle WebLogic Server 14.1.2.0.0 CVEProject cvelistV5 (CNA)
Oracle Corporation Oracle WebLogic Server 15.1.1.0.0 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-21
Last updated
2026-10-24
State
Published
Assigner (CNA)
oracle

Exploit prediction (EPSS)

0.28%
Probability of exploitation in 30 days
21.4%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-306
    Missing Authentication for Critical Function