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CVE-2026-4990

MEDIUM CVSS 4.0: 6.9 EPSS 0.05%
Updated Mar 30, 2026
Parameter Value
CVSS 6.9 (MEDIUM)
Type CWE-266 (Incorrect Privilege Assignment), CWE-285 (Improper Authorization)
Public PoC No

A security vulnerability has been detected in chatwoot up to 4.11.1. The affected element is an unknown function of the file /app/login of the component Signup Endpoint. Such manipulation of the argument signupEnabled with the input true leads to improper authorization.

The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0