CVE-2026-4990 PUBLISHED

chatwoot Signup Endpoint login improper authorization

Assigner: VulDB
Reserved: 27.03.2026 Published: 27.03.2026 Updated: 27.03.2026

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.

Metrics

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
CVSS Score: 6.9

Product Status

Vendor n/a
Product chatwoot
Versions
  • Version 4.11.0 is affected
  • Version 4.11.1 is affected

Credits

  • Zabi_Ullah (VulDB User) reporter
  • VulDB coordinator

References

Problem Types

  • Improper Authorization CWE
  • Incorrect Privilege Assignment CWE