CVE-2026-21962

Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle...

10.0 CriticalIn KEVPublic exploit

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).

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

73.2%Up 73.2 points since Jan 21, 2026

What each source reports

CVE List Score used 10.0

Record: CVE-2026-21962
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Weakness: CWE-284
Updated: 2026-11-02

EUVDEUVD-2026-3550 10.0

Record: EUVD-2026-3550
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-4wp9-cf5h-v2g5 10.0

Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle...

Record: GHSA-4wp9-cf5h-v2g5
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Weakness: CWE-284
Updated: 2026-11-02

CISA KEV No score

Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability

Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in contain an improper access control vulnerability that can result in unauthorized creation, deletion or modification access to critical data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in accessible data.

Record: CVE-2026-21962
Weakness: CWE-284
Updated: 2026-11-02

NVD 10.0

Record: CVE-2026-21962
CVSS 3.1: 10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Weakness: CWE-284
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	boroeurnprach/Ashwesker-CVE-2026-21962	2026-01-22
PoC in GitHub	samael0x4/CVE-2026-21962	2026-01-22
PoC in GitHub	ThumpBo/CVE-2026-21962	2026-01-26
PoC in GitHub	gregk4sec/CVE-2026-21962-o	2026-02-03
PoC in GitHub	George0Papasotiriou/CVE-2026-21962-Oracle-HTTP-Server-WebLogic-Proxy-Plug-in-Critical-	2026-02-09
PoC in GitHub	gregk4sec/cve-2026-21962	2026-03-08
PoC in GitHub	naozibuhao/CVE-2026-21962_Java_GUI_Exploit_Tool	2026-03-21
PoC in GitHub	0xBlackash/CVE-2026-21962	2026-04-24
PoC in GitHub	zeetee1235/CVE-2026-21962	2026-08-27
PoC in GitHub	KaiserdesMonats/CVE-2026-21962-Blog	2026-08-29

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-21962 is a critical vulnerability (CVSS 10.0) in Oracle Http Server, published January 20, 2026. CISA lists it as known to be exploited, since August 24, 2026. EUVD reports exploitation since August 24, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 73.2%, the 99th percentile. No source names a fixed version.