SEPTEMBER 14, 2026
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Case File

CVE-2026-85695

CRITICAL · CVSS 9.4 EPSS 0.41% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-04 · Last synced 2026-09-14

CyberRota Analysis

AI-Generated

FastChat is vulnerable due to an authentication bypass in the /register_worker endpoint, enabling unauthenticated attackers to register arbitrary worker addresses. This flaw allows attackers to perform server-side request forgery, potentially intercepting user data and probing internal network ports. Organizations using FastChat should prioritize addressing this critical vulnerability to prevent unauthorized access and 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-2026-85695
Severity
CRITICAL
CVSS
9.4
EPSS
0.41%

Original NVD Description

FastChat contains an authentication bypass vulnerability in the /register_worker endpoint that allows unauthenticated attackers to register arbitrary worker addresses and perform server-side request forgery. Attackers can register malicious workers under victim model names to intercept user prompts, images, and responses, or probe internal network ports across the worker mesh.