Path traversal in Apache HTTP Server - CVE-2026-79768
Published: October 1, 2026
Vulnerability identifier: #VU153108
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-79768
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper path canonicalization in the mod_userdir module when handling requests containing a "/./" path. A remote attacker can send a specially crafted request to disclose sensitive information.
Only configurations using an absolute non-wildcard UserDir directive are affected.
Affected software
Apache HTTP Server
How to mitigate CVE-2026-79768
Install security update from vendor's website.
Apache HTTP Server - update to 2.4.69