EUVD-2026-16896
GHSA-4qxw-jjp5-4rvw
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3Description
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. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
Improper authorization in Chatwoot up to version 4.11.1 allows remote unauthenticated attackers to bypass authentication via the signupEnabled parameter in the /app/login endpoint's Signup Endpoint component. The vulnerability enables attackers to manipulate signup authorization controls by setting signupEnabled to true, resulting in unauthorized access. …
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Remediation
Within 30 days: Identify affected systems running chatwoot and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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