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CVE-2026-47728— Bugsink: Project scoping missing in sourcemap and debug-file lookup

Quick assessment

Affected
bugsink bugsink
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Bugsink是Bugsink开源的一个自托管Bug跟踪软件。 Bugsink 2.2.0之前版本存在安全漏洞，该漏洞源于源映射和调试文件查找未限定项目范围，可能导致认证用户跨项目使用上传的元数据。

CVSS 4.3 · Medium EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
bugsink bugsink < 2.2.0 affected
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I. Basic Information for CVE-2026-47728

Vulnerability Information
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Vulnerability Title
Bugsink: Project scoping missing in sourcemap and debug-file lookup
Source: CVE Program / CVE List V5
Vulnerability Description
Bugsink is a self-hosted error tracking tool. Prior to 2.2.0, Bugsink resolved sourcemaps and debug files by debug ID without scoping that lookup to the project that owned the uploaded metadata. An authenticated user with access to one project could cause event processing in that project to use sourcemap/debug-file metadata uploaded for another project in the same Bugsink instance, if the same debug ID was referenced. This vulnerability is fixed in 2.2.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Bugsink 安全漏洞
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 2.2.0之前版本存在安全漏洞，该漏洞源于源映射和调试文件查找未限定项目范围，可能导致认证用户跨项目使用上传的元数据。
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

Vendor Product Affected Versions CPE Subscribe
bugsink bugsink < 2.2.0 -

II. Public POCs for CVE-2026-47728

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III. Intelligence Information for CVE-2026-47728

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Vendor Advisories for CVE-2026-47728 (1)

Vendor Pages for CVE-2026-47728 (1)

Same Patch Batch · bugsink · 2026-05-26 · 4 CVEs total

CVE-2026-44502 4.3 MEDIUM Bugsink: SSRF bypass in `validate_webhook_url`
CVE-2026-47715 3.1 LOW Bugsink: Issue event views can show an event from another project if its UUID is known
CVE-2026-47716 3.1 LOW Bugsink: Issue bulk actions can affect another project’s issue if its UUID is known

IV. Related Vulnerabilities

Same product: bugsink
Same vendor: bugsink
Same weakness: CWE-862

V. Comments for CVE-2026-47728

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