SEPTEMBER 15, 2026
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Case File

CVE-2026-85181

CRITICAL · CVSS 9.8 EPSS 0.38% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-03 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

The vulnerability in Java allows attackers to exploit the String.hashCode function used for session cookie integrity checks, enabling them to forge valid checksums without server-side keying. This critical flaw permits attackers to bypass IP binding by manipulating the x-forwarded-for header, potentially granting them unauthorized admin access to the system's configuration. Organizations utilizing Java for web applications should prioritize patching this vulnerability to mitigate the risk of unauthorized access and potential data breaches.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-85181
Severity
CRITICAL
CVSS
9.8
EPSS
0.38%
Java

Original NVD 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.