Cyber news

Research · Jan 20, 2026 · ZeroDay Catalog

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

A newly identified vulnerability in Oracle HTTP Server and Weblogic Server Proxy Plug-in could allow unauthenticated attackers to gain unauthorized access, posing significant risks to users.

What changed

A critical vulnerability has been discovered in the Oracle HTTP Server and the Oracle Weblogic Server Proxy Plug-in. This flaw relates to improper access control, which could be exploited by unauthenticated attackers with network access via HTTP.

The affected versions include Oracle HTTP Server and Weblogic Server Proxy Plug-in versions 12.2.1.4.0, 14.1.1.0.0, and 14.1.2.0.0. This vulnerability poses a significant risk as it allows attackers to compromise these systems easily.

Who is affected

Organizations utilizing Oracle HTTP Server or Weblogic Server Proxy Plug-in are at risk due to this vulnerability. The following groups are particularly affected:

Users of Oracle Fusion Middleware should prioritize addressing this vulnerability to mitigate potential threats.

  • Oracle HTTP Server users
  • Oracle Weblogic Server Proxy Plug-in users
  • Organizations running affected versions of Oracle Fusion Middleware
  • IT departments managing web server infrastructures

What to do

It is crucial for affected organizations to take immediate action to secure their systems. Patching the identified vulnerabilities should be a top priority to prevent unauthorized access.

Regularly monitoring for updates from Oracle and implementing security best practices can further enhance protection against potential exploits.

  • Update to the latest versions of Oracle HTTP Server and Weblogic Server Proxy Plug-in.
  • Implement network access controls to limit exposure.
  • Conduct security audits to identify and remediate vulnerabilities.
  • Stay informed on security advisories from Oracle and relevant cybersecurity authorities.

Original report