PT-2026-85040 · Cat · Cat

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CVE-2026-85181

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Published

2026-09-03

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Updated

2026-09-04

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions CAT versions prior to 3.1.0
Description CAT uses the Java String.hashCode() function as the only integrity check for session cookies without utilizing a server-side key. This allows attackers to forge valid checksums offline. By manipulating the x-forwarded-for header, attackers can bypass IP binding validation to create administrative sessions, granting full access to the system configuration.
Recommendations Update CAT to a version later than 3.1.0.

Fix

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Weakness Enumeration

Related Identifiers

CVE-2026-85181

Affected Products

Cat