Description

HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers. This issue affects Apache HTTP Server: from through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

INFO

Published Date :

2026-05-04T14:40:41.430Z

Last Modified :

2026-05-04T17:32:49.282Z

Source :

apache
AFFECTED PRODUCTS

The following products are affected by CVE-2026-33523 vulnerability.

Vendors Products
Apache
  • Http Server
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-33523.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact