CVE-2026-12547

LowCVSS 3.4/10Last modified Nov 6, 2026

Description

SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.

Metrics

CVSS 3.1 3.4/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N

Weakness enumeration

CWE-201

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 10	—

References

Timeline

Published: Jul 21, 2026
Last modified: Nov 6, 2026
NVD status: Awaiting Analysis

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