Path traversal in Apache HTTP Server - CVE-2026-42535
Published: June 8, 2026
Vulnerability identifier: #VU133904
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-42535
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Apache HTTP Server
Apache HTTP Server
Detailed vulnerability description
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to improper path handling in mod_dav_fs when a WebDAV content author directly manipulates trusted DAV property databases. A remote user can manipulate trusted DAV property databases to cause a denial of service.
The issue may cause child process crashes.
How to mitigate CVE-2026-42535
Install security update from vendor's website.