CVE-2026-21962KEV · OVERDUECWE-284broken-access-control

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

Critical · published January 21, 2026

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 10.0. It is confirmed in active exploitation. It sits in the 99.5th percentile for exploit probability.

58
days past CISA
deadline
CVSS v3.1
10.0
EPSS
73%
Percentile
99.5
In the wild
Confirmed
What it is

🚨 An unauthenticated HTTP request is all it takes to exploit this vulnerability in the Oracle HTTP Server! 🔥 Think of it like a hotel front desk that lets anyone through the door without verifying their identity — once inside, they can access guest records, change bookings, or even delete reservations without a trace! An attacker could waltz in and gain unauthorized access to critical data or even modify it, potentially leading to a total compromise of the Oracle HTTP Server and Weblogic Server Proxy Plug-in. This could open the floodgates to disastrous data breaches, data loss, or unauthorized changes that could affect all connected services!

Put simply

Think of it like a hotel front desk that lets anyone through the door without verifying their identity — once inside, they can access guest records, change bookings, or even delete reservations without a trace! This vulnerability in the Oracle HTTP Server and Weblogic Server Proxy Plug-in allows unauthenticated attackers with network access to compromise the server, leading to unauthorized creation, deletion, or modification of data. It impacts supported versions including 12.2.1.4.0, 14.1.1.0.0, and 14.1.2.0.0.

What to do

An attacker could waltz in and gain unauthorized access to critical data or even modify it, potentially leading to a total compromise of the Oracle HTTP Server and Weblogic Server Proxy Plug-in. This could open the floodgates to disastrous data breaches, data loss, or unauthorized changes that could affect all connected services! Patch to the latest version immediately, specifically targeting versions 12.2.1.4.0, 14.1.1.0.0, and 14.1.2.0.0, to close this critical vulnerability. Also, assess your firewall and access controls to limit unauthorized network access to your Oracle servers. 🚀 You've got this! Fixing this vulnerability is key to protecting your systems and ensuring your data stays safe! 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.73192 · 99.5th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-01-21T03:15Z
KEV added
2026-08-24 · due 2026-08-27
Affected products (6)
ProductVersionsFixed in
oracle/http_serverall versions—
oracle/http_serverall versions—
oracle/http_serverall versions—
oracle/weblogic_server_proxy_plug-inall versions—
oracle/weblogic_server_proxy_plug-inall versions—
oracle/weblogic_server_proxy_plug-inall versions—
References (5)
EPSS history
Timeline
  • 25 SEP 03:25Z
    EPSS moved 42% → 71%
    epss
  • 24 AUG 00:00Z
    Added to CISA KEV — remediate by Aug 27
    kev
  • 20 JAN 21:56Z
    Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Server Proxy Plug-in for…
    cvelistv5