Skip to main content

Http Server CVE-2026-21962

CRITICAL
Improper Access Control (CWE-284)
2026-01-20 secalert_us@oracle.com
Oracle Apache Http Server Weblogic Server Proxy Plug In Authentication Bypass
10.0
CVSS 3.1 · Vendor: oracle
Share

Severity by source

Vendor (oracle) PRIMARY
10.0 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Primary rating from Vendor (oracle) · only source for this CVE.

CVSS VectorVendor: oracle

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

4
Added to CISA KEV
Aug 24, 2026 - 18:47 CISA
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch released
Feb 03, 2026 - 00:16 nvd
Patch available
CVE Published
Jan 20, 2026 - 22:15 nvd
CRITICAL 10.0

DescriptionCVE.org

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).

AnalysisAI

Oracle HTTP Server and WebLogic Server Proxy Plug-in have a CVSS 10.0 access control vulnerability allowing unauthenticated network attackers to fully compromise the middleware layer.

Technical ContextAI

Oracle Fusion Middleware's HTTP Server and WebLogic Server Proxy Plug-in have a CWE-284 access control vulnerability that allows unauthenticated attackers to compromise the middleware component with no user interaction required.

RemediationAI

Apply Oracle Critical Patch Update immediately. Implement WAF rules. Monitor for unauthorized access to WebLogic administration interfaces.

More in Http Server

View all
CVE-2021-40438 CRITICAL POC
9.0 Sep 16

A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user.4.4
CVE-2023-44487 HIGH POC
7.5 Oct 10

Denial of service against HTTP/2 server implementations allows remote unauthenticated attackers to exhaust server resour
CVE-2017-9798 HIGH POC
7.5 Sep 18

Apache httpd allows remote attackers to read secret data from process memory if the Limit directive can be set in a user
CVE-2013-2566 MEDIUM POC
5.9 Mar 15

The RC4 algorithm, as used in the TLS protocol and SSL protocol, has many single-byte biases, which makes it easier for

CVE-2014-0226 MEDIUM POC
6.8 Jul 20

Race condition in the mod_status module in the Apache HTTP Server before 2.4.10 allows remote attackers to cause a denia
CVE-2016-8740 HIGH POC
7.5 Dec 05

The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2
CVE-2013-5704 MEDIUM POC
5.0 Apr 15

The mod_headers module in the Apache HTTP Server 2.2.22 allows remote attackers to bypass "RequestHeader unset" directiv
CVE-2013-2249 HIGH POC
7.5 Jul 23

mod_session_dbd.c in the mod_session_dbd module in the Apache HTTP Server before 2.4.5 proceeds with save operations for
CVE-2016-5387 HIGH
8.1 Jul 19

The Apache HTTP Server through 2.4.23 follows RFC 3875 section 4.1.18 and therefore does not protect applications from t
CVE-2017-7668 HIGH
7.5 Jun 20

The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which al
CVE-2017-3169 CRITICAL POC
9.8 Jun 20

In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party mod
CVE-2016-0736 HIGH POC
7.5 Jul 27

In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie using the configured c

Same weakness CWE-284 – Improper Access Control

View all
CVE-2012-4681 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2012-1723 CRITICAL POC
9.8
CVE-2012-5076 CRITICAL POC
9.8
CVE-2014-3120 HIGH POC
8.1
CVE-2013-2423 LOW POC
3.7
CVE-2016-3427 CRITICAL
9.8
CVE-2025-12480 CRITICAL POC
9.1

Same technique Authentication Bypass

View all
CVE-2023-22515 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2013-2465 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2022-40684 CRITICAL POC
9.8
CVE-2025-61882 CRITICAL POC
9.8
CVE-2024-0012 CRITICAL POC
9.3
CVE-2023-46805 HIGH POC
8.2

Share

CVE-2026-21962 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy