VULNERABILITY INTELLIGENCE
CVE-2026-85181
CVSS score9.8 CRITICAL
EPSS probability0.70%
CISA KEVNot currently listed
Published2026-09-03
Last modified2026-09-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
CAT uses Java String.hashCode as the sole integrity check for session cookies without server-side keying, allowing attackers to forge valid checksums offline. Attackers can set the x-forwarded-for header to bypass IP binding validation and create admin sessions with full configuration access.
Weakness classification
- disclosure@vulncheck.com: CWE-565