CVE-2026-4990 Details
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.
A critical improper authorization vulnerability has been identified in Chatwoot versions through 4.11.1. The issue resides in the Signup Endpoint, specifically within the file /app/login. The vulnerability allows unauthorized users to register accounts by manipulating the signupEnabled argument. When this argument is changed to true, the application incorrectly permits registration, even if the signup feature is supposed to be disabled. This exploitation can be done remotely without any authentication.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Mar 27, 2026CISA-ADP
Assessed Mar 31, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://vuldb.com/?ctiid.353877 | [email protected] | Content Wall |
| https://vuldb.com/?id.353877 | [email protected] | AdvisoryExploitTechnical Description |
| https://vuldb.com/?submit.772515 | [email protected] | ExploitTechnical Description |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-266 | Incorrect Privilege Assignment | [email protected] |
| CWE-285 | Improper Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| chatwoot | <= 4.11.1 (semver) |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Mar 27, 2026 | CVE Modified | [email protected] |
| Mar 27, 2026 | New CVE Received | [email protected] |