Vulnerability Details CVE-2026-28674
xiaoheiFS is a self-hosted financial and operational system for cloud service businesses. In versions up to and including 0.3.15, the `AdminPaymentPluginUpload` endpoint lets admins upload any file to `plugins/payment/`. It only checks a hardcoded password (`qweasd123456`) and ignores file content. A background watcher (`StartWatcher`) then scans this folder every 5 seconds. If it finds a new executable, it runs it immediately, resulting in RCE. Version 4.0.0 fixes the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.0%
CVSS Severity
CVSS v3 Score 7.2
References
Products affected by CVE-2026-28674
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cpe:2.3:a:danvei233:xiaoheifs:0.1.0
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cpe:2.3:a:danvei233:xiaoheifs:0.1.1
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cpe:2.3:a:danvei233:xiaoheifs:0.1.2
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cpe:2.3:a:danvei233:xiaoheifs:0.1.3
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cpe:2.3:a:danvei233:xiaoheifs:0.2.0
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cpe:2.3:a:danvei233:xiaoheifs:0.3.0
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cpe:2.3:a:danvei233:xiaoheifs:0.3.1
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cpe:2.3:a:danvei233:xiaoheifs:0.3.10
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cpe:2.3:a:danvei233:xiaoheifs:0.3.11
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cpe:2.3:a:danvei233:xiaoheifs:0.3.12
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cpe:2.3:a:danvei233:xiaoheifs:0.3.13
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cpe:2.3:a:danvei233:xiaoheifs:0.3.15
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cpe:2.3:a:danvei233:xiaoheifs:0.3.16
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cpe:2.3:a:danvei233:xiaoheifs:0.3.17
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cpe:2.3:a:danvei233:xiaoheifs:0.3.18
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cpe:2.3:a:danvei233:xiaoheifs:0.3.19
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cpe:2.3:a:danvei233:xiaoheifs:0.3.2
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cpe:2.3:a:danvei233:xiaoheifs:0.3.20
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cpe:2.3:a:danvei233:xiaoheifs:0.3.21
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cpe:2.3:a:danvei233:xiaoheifs:0.3.22
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cpe:2.3:a:danvei233:xiaoheifs:0.3.3
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cpe:2.3:a:danvei233:xiaoheifs:0.3.4
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cpe:2.3:a:danvei233:xiaoheifs:0.3.5
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cpe:2.3:a:danvei233:xiaoheifs:0.3.6
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cpe:2.3:a:danvei233:xiaoheifs:0.3.7
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cpe:2.3:a:danvei233:xiaoheifs:0.3.8
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cpe:2.3:a:danvei233:xiaoheifs:0.3.9