CVE-2026-42535 Apache HTTP Server: mod_dav_fs protected directory access
A WebDAV content author can manipulate trusted DAV property databases via path handling flaws, causing child process crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-42535?
CVE-2026-42535 is a critical path traversal vulnerability in Apache Http Server, published on 8 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows 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.
Weakness: CWE-668
Which versions are affected by CVE-2026-42535?
1 open source package ship an affected version, including apache. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
apache Bitnami | All versions | 2.4.68 |
Products include Apache Http Server.
How do I fix CVE-2026-42535?
Upgrade apache to 2.4.68 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-42535 being exploited?
There is no known exploitation of CVE-2026-42535 in the wild and no public exploit code.
Other vulnerabilities in Apache Http Server
Sources
Also known as ALPINE-CVE-2026-42535, AZL-89738, BELL-CVE-2026-42535, BIT-apache-2026-42535, DEBIAN-CVE-2026-42535, ECHO-1bca-9c80-069e and 3 more.