CVE-2026-8368: LWP::UserAgent versions before 6.83 for Perl leak Authorization and Proxy-Authorization headers on cross-origin redirects

Overview

Severity

Medium (CVSS 5.3)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-17

Last Updated

2026-06-03

EPSS Score

0.27% (percentile: 17.9%)

Affected Products (1)

Other

• 21342-17084

Revision History

• 2026-05-17: Information published.
• 2026-05-18: Information published.
• 2026-06-03: Information published.