Severity: moderate Affected versions:
- Apache HTTP Server 2.4.0 through 2.4.65 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. Credit: Orange Tsai (@orange_8361) from DEVCORE (finder) References: https://httpd.apache.org/security/vulnerabilities_24.html https://httpd.apache.org/ https://www.cve.org/CVERecord?id=CVE-2025-59775 Timeline: 2025-09-10: reported 2025-12-01: fixed in 2.4.x by r1930166
