CVE-2025-4673

6.8 mediumEPSS 0.7%

Medium (6.8). EPSS 0.7% chance of exploitation in the next 30 days. Fixed in stdlib 1.23.10, 1.24.4.

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

Severity

6.8 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
Published: 2025-06-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GO-2025-3751	Go	stdlib	<1.23.10 >=1.24.0-0 <1.24.4	1.23.10, 1.24.4