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I. Basic Information for CVE-2026-40162
Vulnerability Information

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Vulnerability Title
Bugsink affected by authenticated arbitrary file write in artifactbundle/assemble
Source: NVD (National Vulnerability Database)
Vulnerability Description
Bugsink is a self-hosted error tracking tool. In 2.1.0, an authenticated file write vulnerability was identified in Bugsink 2.1.0 in the artifact bundle assembly flow. A user with a valid authentication token could cause the application to write attacker-controlled content to a filesystem location writable by the Bugsink process. This vulnerability is fixed in 2.1.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Bugsink 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bugsink是Bugsink开源的一个自托管Bug跟踪软件。 Bugsink 2.1.0版本存在输入验证错误漏洞,该漏洞源于制品包组装流程中存在经过身份验证的文件写入问题,可能导致具有有效身份验证令牌的用户将攻击者控制的内容写入Bugsink进程可写的文件系统位置。
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
bugsinkbugsink >= 2.1.0, < 2.1.1 -
II. Public POCs for CVE-2026-40162
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III. Intelligence Information for CVE-2026-40162
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IV. Related Vulnerabilities
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