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STIX
CVE-2026-33523
Medium · 6.5
CWE-443
May 4, 2026
Apache HTTP Server: multiple modules: HTTP response splitting forwarding malicious status line
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.