PT-2026-103934

CVE-2026-63045

Published

2026-10-01

Updated

2026-11-04

Description by

CVSS 3.1

7.5

High

MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions prior to 2.4.69

Description Improper validation of the FTP PASV reply address in the mod proxy ftp module allows an untrusted FTP server to force the proxy to open a data connection to an arbitrary third-party host. This occurs in forward proxy configurations when the server processes a crafted PASV response.

Recommendations Upgrade to version 2.4.69.

Exploitability

Exploit

Fix

Impacts

Researchers

Charles Vosburgh

Sungbyeongchan

Zhen Kong

Vendors

Affected products

Weakness enumeration