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I. Basic Information for CVE-2026-4990
Vulnerability Information

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Vulnerability Title
chatwoot Signup Endpoint login improper authorization
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Chatwoot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chatwoot是Chatwoot开源的一个应用软件。客户参与套件,对讲、Zendesk、Salesforce 服务云等的开源替代方案。 Chatwoot 4.11.1及之前版本存在安全漏洞,该漏洞源于对参数signupEnabled的错误操作导致授权不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-chatwoot 4.11.0 -
II. Public POCs for CVE-2026-4990
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III. Intelligence Information for CVE-2026-4990
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IV. Related Vulnerabilities
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