CVE-2026-42535: Apache HTTP Server: mod_dav_fs protected directory access

Severity: moderate=20

Affected versions:

- Apache HTTP Server through 2.4.67

Description:

A path handling issue in mod_dav_fs in Apache 2.4.67 and =
earlier=C2=A0allows a WebDAV content author to directly manipulate trusted =
DAV property databases, potentially causing child process crashes.

Users are recommended to upgrade to version 2.4.68, which fixes this issue.=


Credit:

Zhenpeng (Leo) Lin at depthfirst (finder)

References:

https://httpd.apache.org/security/vulnerabilities_24.html
https://httpd.apache.org/
https://www.cve.org/CVERecord?id=3DCVE-2026-42535

Timeline:

2026-04-27: Report received
2026-06-05: fixed in 2.4.x by r1935013
2026-06-08: 2.4.68 released