CVE-2025-22870 – Apache Proxy IPv6 Hostname Matching Vulnerability

CVE ID : CVE-2025-22870

Published : March 12, 2025, 7:15 p.m. | 1 hour, 40 minutes ago

Description : Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to “*.example.com”, a request to “[::1%25.example.com]:80` will incorrectly match and not be proxied.

Severity: 0.0 | NA

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CVE-2025-22870 – Apache Proxy IPv6 Hostname Matching Vulnerability