CVE-2026-42535: CWE-668 Exposure of Resource to Wrong Sphere in Apache Software Foundation Apache HTTP Server
A path handling vulnerability exists in the mod_dav_fs module of Apache HTTP Server versions 2.4.67 and earlier. This flaw allows a WebDAV content author to manipulate trusted DAV property databases, which can lead to child process crashes. The issue is resolved in version 2.4.68, and users should upgrade to this version to mitigate the risk.
AI Analysis
Technical Summary
CVE-2026-42535 is a critical vulnerability in Apache HTTP Server's mod_dav_fs module affecting versions up to and including 2.4.67. The vulnerability involves improper path handling that enables a WebDAV content author to manipulate trusted DAV property databases. This manipulation can cause child process crashes, impacting availability. The vulnerability is fixed in Apache HTTP Server version 2.4.68.
Potential Impact
Exploitation of this vulnerability can cause denial of service by crashing child processes of the Apache HTTP Server. There is no indication of confidentiality or integrity impact beyond the manipulation of DAV property databases. The CVSS score of 9.1 reflects a critical severity with high impact on availability and integrity.
Mitigation Recommendations
A fix is available in Apache HTTP Server version 2.4.68. Users should upgrade to this version to remediate the vulnerability. No other mitigation or temporary workaround is indicated in the available data.
CVE-2026-42535: CWE-668 Exposure of Resource to Wrong Sphere in Apache Software Foundation Apache HTTP Server
Description
A path handling vulnerability exists in the mod_dav_fs module of Apache HTTP Server versions 2.4.67 and earlier. This flaw allows a WebDAV content author to manipulate trusted DAV property databases, which can lead to child process crashes. The issue is resolved in version 2.4.68, and users should upgrade to this version to mitigate the risk.
CVSS v3.1
Score 9.1critical
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-42535 is a critical vulnerability in Apache HTTP Server's mod_dav_fs module affecting versions up to and including 2.4.67. The vulnerability involves improper path handling that enables a WebDAV content author to manipulate trusted DAV property databases. This manipulation can cause child process crashes, impacting availability. The vulnerability is fixed in Apache HTTP Server version 2.4.68.
Potential Impact
Exploitation of this vulnerability can cause denial of service by crashing child processes of the Apache HTTP Server. There is no indication of confidentiality or integrity impact beyond the manipulation of DAV property databases. The CVSS score of 9.1 reflects a critical severity with high impact on availability and integrity.
Mitigation Recommendations
A fix is available in Apache HTTP Server version 2.4.68. Users should upgrade to this version to remediate the vulnerability. No other mitigation or temporary workaround is indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-04-28T15:53:30.262Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a26e463e29bf47b501e0db8
Added to database: 06/08/2026, 15:48:51 UTC
Last enriched: 06/24/2026, 17:18:28 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 77
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