CVE-2026-4990: Improper Authorization in chatwoot
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.
AI Analysis
Technical Summary
This vulnerability affects chatwoot versions 4.11.0 and 4.11.1 in the Signup Endpoint component located in /app/login. By manipulating the signupEnabled parameter to true, an attacker can bypass proper authorization controls, potentially gaining unauthorized access or privileges. The vulnerability is remotely exploitable without requiring user interaction or privileges. The CVSS 4.0 vector indicates network attack vector, low complexity, no privileges or user interaction required, and low to low impact on confidentiality, integrity, and availability. The vendor has not issued a patch or advisory, and no cloud service remediation applies.
Potential Impact
Improper authorization may allow remote attackers to bypass access controls at the signup endpoint, potentially enabling unauthorized account creation or privilege escalation. The impact is rated medium with a CVSS score of 6.9. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no official fix is available, users should monitor for updates from the vendor. Until a patch is released, consider implementing additional access controls or network-level restrictions around the signup endpoint to reduce exposure.
CVE-2026-4990: Improper Authorization in chatwoot
Description
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects chatwoot versions 4.11.0 and 4.11.1 in the Signup Endpoint component located in /app/login. By manipulating the signupEnabled parameter to true, an attacker can bypass proper authorization controls, potentially gaining unauthorized access or privileges. The vulnerability is remotely exploitable without requiring user interaction or privileges. The CVSS 4.0 vector indicates network attack vector, low complexity, no privileges or user interaction required, and low to low impact on confidentiality, integrity, and availability. The vendor has not issued a patch or advisory, and no cloud service remediation applies.
Potential Impact
Improper authorization may allow remote attackers to bypass access controls at the signup endpoint, potentially enabling unauthorized account creation or privilege escalation. The impact is rated medium with a CVSS score of 6.9. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no official fix is available, users should monitor for updates from the vendor. Until a patch is released, consider implementing additional access controls or network-level restrictions around the signup endpoint to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-03-27T13:47:41.140Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 69c6fa4f3c064ed76ffa5f32
Added to database: 3/27/2026, 9:44:47 PM
Last enriched: 4/4/2026, 10:54:31 AM
Last updated: 5/12/2026, 3:25:57 AM
Views: 100
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