CVE-2026-28674

{"id": "CVE-2026-28674", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "published": "2026-03-18T01:16:05.280", "references": [{"url": "https://github.com/danvei233/xiaoheiFS/security/advisories/GHSA-hcj4-gfvq-qv4p", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/danvei233/xiaoheiFS/security/advisories/GHSA-hcj4-gfvq-qv4p", "tags": ["Exploit", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-434"}, {"lang": "en", "value": "CWE-798"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "xiaoheiFS es un sistema financiero y operativo autohospedado para negocios de servicios en la nube. En versiones hasta la 0.3.15 inclusive, el endpoint 'AdminPaymentPluginUpload' permite a los administradores subir cualquier archivo a 'plugins/payment/'. Solo verifica una contrase\u00f1a codificada ('qweasd123456') e ignora el contenido del archivo. Un observador en segundo plano ('StartWatcher') escanea esta carpeta cada 5 segundos. Si encuentra un nuevo ejecutable, lo ejecuta inmediatamente, lo que resulta en RCE. La versi\u00f3n 4.0.0 corrige el problema."}], "lastModified": "2026-03-23T17:57:34.633", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:danvei233:xiaoheifs:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0180A96-D887-4385-AC4F-58ECEAAC15D3", "versionEndExcluding": "0.4.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}