CVE-2026-93546

High

Description

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.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Apache Http Server

PublishedOct 1, 2026

First seenOct 1, 2026

Weakness typeCWE-190Integer overflow

How to fix

Update

apache http_server2.4.69 or later

Vendor advisories

httpd.apache.org/security/vulnerabilities_24.html

Affected products

Product	Affected versions	Fixed in
apache http_server	v < 2.4.69	2.4.69

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