CVE-2025-59775

CVE-2025-59775: Apache HTTP Server: NTLM Leakage on Windows through UNC SSRF

Vendor Apache Software Foundation
Product Apache HTTP Server
Weakness CWE-918 · SSRF
Published December 5, 2025
Last update December 5, 2025

CVSS base score

What the vulnerability does

Description

Server-Side Request Forgery (SSRF) vulnerability  in Apache HTTP Server on Windows with AllowEncodedSlashes On and MergeSlashes Off  allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade to version 2.4.66, which fixes the issue.

Key dates

Disclosure timeline

December 5, 2025 CVE published
December 5, 2025 Record updated