Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-21962

CVE-2026-21962CRITICAL

Oracle Corporation Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in — Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Se…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  C  H  H  N   10.0   .7091   99.4   YES

AFFECTED
  Product                                                   Versions      Fixed
  Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in  12.2.1.4.0 –  —

TIMELINE
  Jan 5   Reserved by oracle
  Jan 20  Published (CNA: oracle)
  Aug 24  ADDED TO KEV — CVE-2026-21962 (Oracle Corporation Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in). Remediation due August 27, 2026.
  Aug 28  DUE DATE PASSED — CVE-2026-21962 (Oracle Corporation Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in). CISA remediation deadline was August 27, 2026; still in catalog.

CWE-284 · CNA: oracle · CVSS v3.1 · 5 references · NVD status: Analyzed · KEV due August 27, 2026

Description

Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Proxy Plug-in for IIS). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in. While the vulnerability is in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data. Note: Affected version for Weblogic Server Proxy Plug-in for IIS is 12.2.1.4.0 only. CVSS 3.1 Base Score 10.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N).

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
January 5, 2026	Reserved	Reserved by oracle
January 20, 2026	Published	Published (CNA: oracle)
August 24, 2026	KEV ADDED	ADDED TO KEV — CVE-2026-21962 (Oracle Corporation Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in). Remediation due August 27, 2026.
August 28, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-21962 (Oracle Corporation Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in). CISA remediation deadline was August 27, 2026; still in catalog.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Oracle Corporation	Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in	—	12.2.1.4.0	—

Weaknesses

CWE-284

References (5)

https://github.com/Ashwesker/Ashwesker-CVE-2026-21962/issues/1 [Broken Link, Not Applicable]
https://web.archive.org/web/20260129165916/https://github.com/Ashwesker/Ashwesker-CVE-2026-21962/issues/1 [Issue Tracking]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21962 [US Government Resource]
https://www.oracle.com/security-alerts/cpujan2026.html [Patch, Vendor Advisory]
https://x.com/0xacb/status/2015473216844620280 [Not Applicable]

Authoritative record: CVE-2026-21962 at cve.org

Vendors: oracle

Weaknesses: CWE-284

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-21962 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.