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CVE-2026-42535 is a path-handling vulnerability in the mod_dav_fs module of Apache HTTP Server 2.4.67 and earlier. A WebDAV content author can directly manipulate trusted DAV property databases, potentially causing Apache child processes to crash. Apache HTTP Server 2.4.68 fixes the issue.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
35 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by the referenced Alma Linux 9.6 security advisory; the supplied content provides no technical impact or exploitation details.
A remotely exploitable, low-complexity vulnerability requiring no privileges or user interaction, with high integrity and availability impact according to the supplied CVSS v3 vector. It is addressed by a TuxCare CentOS 6 security advisory.
A vulnerability addressed by the EulerOS_SA-2026-3834 update for Apache HTTP Server-related packages on Huawei EulerOS UVP 2.10.1.
A vulnerability referenced in the EulerOS SA-2026-3869 security advisory affecting Huawei EulerOS HTTPD-related packages.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.