CVE-2026-54478: DNS Cookie bypass when combined with proxy-protocol use

Overview

Severity

Low (CVSS 3.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-23

Affected Products (1)

Other

• 21595-17084

Revision History

• 2026-07-23: Information published.