CVE Database›Document archive›CVE-2026-8368

CVE-2026-8368

perl-libwww-perl: perl-libwww-perl: Information disclosure via cross-origin redirects

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Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · May 12, 2026

Updated · June 28, 2026

Description

A flaw was found in LWP::UserAgent, a component of perl-libwww-perl. This vulnerability allows a remote attacker to obtain a user's credentials by redirecting a request to an attacker-controlled host. When processing a redirect, the LWP::UserAgent fails to properly strip Authorization and Proxy-Authorization headers, leading to their unintended disclosure across different origins.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CWE-201 · Insertion of Sensitive Information Into Sent Data