CVE-2025-46421EPSS p42.8%

CVE-2025-46421CVE-2025-46421

Description

A flaw was found in libsoup. When libsoup clients encounter an HTTP redirect, they mistakenly send the HTTP Authorization header to the new host that the redirection points to. This allows the new host to impersonate the user to the original host that issued the redirect.

Scoring

CVSS 6.8 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS0.55% probability of exploitation · percentile 42.8% · 2026-08-11T12:00:17Z
Last modified2026-06-30
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.