CVE-2026-93546: Apache HTTP Server

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory's property database via PROPPATCH requests declaring many XML namespaces.

Affected products

• Apache HTTP Server: before 2.4.69 (fixed in 2.4.69)

Published 2026-10-01. Last modified 2026-10-05.