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CVE-2026-33523

6.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · apacheNVD modified 2026-10-26 19:10

Affected (CPE criteria) 1

  • cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

References 2