CVE-2025-4673

Sensitive headers not cleared on cross-origin redirect in net/http

State: Published
Severity: 6.8 Medium
Published: Jun 11, 2025
Updated: Jun 11, 2025
Reserved: May 13, 2025

Description

Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
net/httpGo standard library	before 1.23.10Affected 1.24.0-0 to before 1.24.4Affected

References

https://go.dev/cl/679257
https://go.dev/issue/73816
https://groups.google.com/g/golang-announce/c/ufZ8WpEsA3A
https://pkg.go.dev/vuln/GO-2025-3751

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