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I. Basic Information for CVE-2026-3739
Vulnerability Information

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Vulnerability Title
suitenumerique messages ThreadAccess serializers.py ThreadAccessSerializer improper authentication
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in suitenumerique messages 0.2.0. This issue affects the function ThreadAccessSerializer of the file src/backend/core/api/serializers.py of the component ThreadAccess. The manipulation results in improper authentication. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 0.3.0 is capable of addressing this issue. The patch is identified as d7729f4b885449f6dee3faf8b5f2a05769fb3d6e. The affected component should be upgraded.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Messages 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Messages是La Suite numérique开源的一个电子邮件收件箱软件。 Messages 0.2.0版本存在授权问题漏洞,该漏洞源于对文件serializers.py中ThreadAccessSerializer函数的操作,可能导致身份验证不当。
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
suitenumeriquemessages 0.2.0 -
II. Public POCs for CVE-2026-3739
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III. Intelligence Information for CVE-2026-3739
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IV. Related Vulnerabilities
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