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9.8
CVE-2026-91323PATCHED
Oracle · WebLogic Server

CVE-2026-91323: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions t

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).

Affected Products

VendorProductVersions
OracleWebLogic Server12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
oraclefusion middlewarecert_advisory90%

References

  • https://www.oracle.com/security-alerts/cpuoct2026.html(vendor-advisory)

Related News (3 articles)

Tier B
BSI Advisories9h ago
[NEU] [hoch] Oracle Fusion Middleware: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB17h ago
CVE-2026-91323 | Oracle WebLogic Server 12.2.1.4.0/14.1.1.0.0/14.1.2.0.0/15.1.1.0.0 Core privileges management
→ No new info (linked only)
Tier B
CERT-FR20h ago
Multiples vulnérabilités dans Oracle Weblogic (21 octobre 2026)
→ No new info (linked only)

Discussion (0)

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CVSS 3.19.8 CRITICAL
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA KEV❌ No
Actively exploited❌ No
Patch available
https://www.oracle.com/security-alerts/cpuoct2026.html
PublishedOct 20, 2026
Last enriched17h agov2
Trending Score59
Source articles4
Independent3
Info Completeness8/14
Missing: epss, kev, exploit, patch, iocs, mitre_attack

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Verification

State: verified
Confidence: 100%

Vulnerability Timeline

CVE Published
Oct 20, 2026
Discovered by ZDM
Oct 20, 2026
Updated: vendor, product, affectedVersions, cweIds
Oct 21, 2026
Patch Available
Oct 21, 2026

Version History

v2
Last enriched 17h ago
v2Tier C17h ago

Added vendor (Oracle), product (WebLogic Server), explicitly listed affected versions, and identified improper privilege management as CWE-269

vendorproductaffectedVersionscweIds
via VulDB
v122h ago

Initial creation