CVE-2026-42356: Deployment of wrong handler vulnerability in Apache HTTP Server allows the target of some internal redirects from CGI…
CVE-2026-42356 · Severity: low · CVSS 3.7 · Published 2026-10-01
Deployment 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.
No. Junglewise Threat Intelligence has no report of CVE-2026-42356 being exploited in the wild.
How severe is CVE-2026-42356?
Low severity, with a CVSS score of 3.7, published 1 October 2026.
Which products and versions are affected?
Apache HTTP Server. The advisory does not name versions.
Is there a fix for CVE-2026-42356?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-42356?
Check whether you run Apache HTTP Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.