CVE-2025-22870

MediumCVSS 4.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.4/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

Weakness enumeration

CWE-115

Affected software

No affected versions have been published.

Timeline

Published: Mar 12, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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