CVE-2026-42535 — CRITICAL (9.1)

Q: How severe is CVE-2026-42535?

CVE-2026-42535 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-42535?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Http Server.

Vulnerability 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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apache	Http Server	< 2.4.68

Related Weaknesses (CWE)

CWE-668

References

https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
http://www.openwall.com/lists/oss-security/2026/06/08/8Mailing ListThird Party Advisory

FAQ

What is CVE-2026-42535?

CVE-2026-42535 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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...

How severe is CVE-2026-42535?

CVE-2026-42535 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-42535?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Http Server.