CVE-2026-42356

NameCVE-2026-42356
DescriptionDeployment of wrong handler vulnerability in Apache HTTP Server allows the target of some internal redirects from CGI programs to also be treated as CGI and executed. The target must already be in a directory enabled for CGI and have no other extension understood by mod_mime. This issue affects Apache HTTP Server: from 2.4.60 through 2.4.68.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-6569-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)bookworm2.4.68-1~deb12u1vulnerable
bookworm (security)2.4.67-1~deb12u3vulnerable
trixie2.4.68-1~deb13u1vulnerable
trixie (security)2.4.69-1~deb13u1fixed
forky, sid2.4.69-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2sourcetrixie2.4.69-1~deb13u1DSA-6569-1
apache2source(unstable)2.4.69-1

Notes

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2026-42356
Fixed by: https://github.com/apache/httpd/commit/863594b37381151c397b9fbc609170d026411614

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