CVE-2026-42535
Apache HTTP Server: mod_dav_fs protected directory access
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.
INFO
Published Date :
June 8, 2026, 4:16 p.m.
Last Modified :
June 9, 2026, 4 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade Apache to version 2.4.68 or later.
- Apply vendor-supplied patches for mod_dav_fs.
Public PoC/Exploit Available at Github
CVE-2026-42535 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-42535.
| URL | Resource |
|---|---|
| https://httpd.apache.org/security/vulnerabilities_24.html | Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/06/08/8 | Mailing List Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-42535 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-42535
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
TLP:AMBER OSINT portfolio: SA hosting sector exposure analysis using Shodan→IPinfo→VirusTotal→MITRE ATT&CK. POPIA compliant with pseudonymized data.
osint cti mitre-attack shodan ipinfo virustotal popia south-africa
WebDAV test suite.
webdav webdav-protocol rfc-2518 rfc-4918
Makefile Shell M4 C Dockerfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-42535 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-42535 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 09, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.68 Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/06/08/8 Types: Mailing List, Third Party Advisory Added Reference Type Apache Software Foundation: https://httpd.apache.org/security/vulnerabilities_24.html Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 09, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jun. 08, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/06/08/8 -
New CVE Received by [email protected]
Jun. 08, 2026
Action Type Old Value New Value Added 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. Added CWE CWE-668 Added Reference https://httpd.apache.org/security/vulnerabilities_24.html