BIT-apache-2026-33523

vendorUSosv

Apache HTTP Server: multiple modules: HTTP response splitting forwarding malicious status line

view advisory published 2026-05-05Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-33523US	—	0.44% (37th)	—	2026-05-04
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…

references

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2026/05/04/23ADVISORY
https://httpd.apache.org/security/vulnerabilities_24.htmlADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-33523WEB

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