TI-2026-58514 CVE-2026-85181 · GHSA-xrx5-jvp4-rqmjCAT through 3.1.0 Session Cookie Forgery via Unkeyed hashCode ChecksumPriority MEDIUM 49CAT uses Java String.hashCode as the sole integrity check for session cookies without server-side keying, allowing attackers to forge valid checksums offline.CVSS 4.0CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.00705 · Published 2026-09-03 · No fix listed CWE-565