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CVE-2025-22870

HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net

CVSS score

4.4

EPSS probability

%0.4

Risk score

0.0

Published

1 y ago

OverviewPublic Exploits (1)NewsroomVulnerability Timeline

Public Exploits · GitHub and Metasploit Intelligence

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G
JoshuaProvoste/CVE-2025-22870
GitHub

Proof-of-concept for CVE-2025-22870 demonstrating HTTP proxy bypass in vulnerable versions (<0.36.0) of golang.org/x/net/http/httpproxy. Exploits improper IPv6 zone ID parsing to evade NO_PROXY restrictions, enabling proxy bypass and potential SSRF under misconfigured environments.

Public PoCSource updated: 18.02.2026 20:14:15

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