CVE-2026-93546CWE-190

CVE-2026-93546

High · published October 1, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
36.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00436 · 36.9th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-10-01T21:17Z
Affected products (1)
ProductVersionsFixed in
apache/http_server< 2.4.692.4.69
References (2)
https://httpd.apache.org/security/vulnerabilities_24.html · [email protected]http://www.openwall.com/lists/oss-security/2026/10/01/30 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 03 OCT 03:47Z
    EPSS moved — → 0%
    epss
  • 01 OCT 16:19Z
    Apache HTTP Server: mod_dav_fs namespace overflow
    cvelistv5