CVE-2026-91323

State: Published
Severity: 9.8 Critical
Published: Oct 20, 2026
Updated: Oct 27, 2026
Reserved: Sep 14, 2026

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 HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	oracle

Weaknesses

CWE-306 Missing Authentication for Critical Function
CWE-287 Improper Authentication

Affected Products

Product	Versions
Oracle WebLogic ServerOracle Corporation	12.2.1.4.0Affected 14.1.1.0.0Affected 14.1.2.0.0Affected 15.1.1.0.0Affected

References

Oracle Advisoryvendor-advisory

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