CVE-2026-3187

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{"affected": [{"affectedData": [{"modules": ["API Endpoint"], "product": "sz-boot-parent", "vendor": "feiyuchuixue", "versions": [{"status": "affected", "version": "1.3.2-beta"}, {"status": "unaffected", "version": "1.3.3-beta"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:*:*:*:*:*:*:*:*", "matchCriteriaId": "772E4F24-5681-43E1-827D-7D658095EE1B", "versionEndIncluding": "0.9.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.0.0:beta:*:*:*:*:*:*", "matchCriteriaId": "5DCA4854-7694-4BFD-A807-9278EE352082", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.0.1:beta:*:*:*:*:*:*", "matchCriteriaId": "ABF1A941-C021-4033-90BC-A99BD26701FF", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.0.2:beta:*:*:*:*:*:*", "matchCriteriaId": "1E097731-97A4-4B7F-BF2F-7D6825C49223", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.1.0:beta:*:*:*:*:*:*", "matchCriteriaId": "94FCFB0C-EBCC-4683-B982-D8F5D4C063BD", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.2.0:beta:*:*:*:*:*:*", "matchCriteriaId": "708EA3F9-1375-4487-A909-5E842E5C8DE8", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.2.1:beta:*:*:*:*:*:*", "matchCriteriaId": "D3BF7ADA-3266-4D00-81E7-D4A473ECD85C", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.2.2:beta:*:*:*:*:*:*", "matchCriteriaId": "BAD95B7F-9E78-41D2-A071-F27AB7236D3D", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.2.3:beta:*:*:*:*:*:*", "matchCriteriaId": "0F2DCD07-5D33-48E2-A6EA-67CABDFC1249", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.2.4:beta:*:*:*:*:*:*", "matchCriteriaId": "17F8D76C-D418-4945-ADD5-0AAE1FD903FC", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.2.5:beta:*:*:*:*:*:*", "matchCriteriaId": "0FE66DC8-32C7-4D45-B069-8A9F75A777FB", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.2.6:beta:*:*:*:*:*:*", "matchCriteriaId": "53D904ED-B71A-4B59-A5FE-DE3D7A37794A", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.3.0:beta:*:*:*:*:*:*", "matchCriteriaId": "F266024B-C11B-480E-A474-37B21885B1D6", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.3.1:beta:*:*:*:*:*:*", "matchCriteriaId": "C581B825-A425-49FF-8420-1104026D4093", "vulnerable": true}, {"criteria": "cpe:2.3:a:szadmin:sz-boot-parent:1.3.2:beta:*:*:*:*:*:*", "matchCriteriaId": "818F48CE-57CA-4253-966D-A9B5041343C2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in feiyuchuixue sz-boot-parent up to 1.3.2-beta. Affected by this issue is some unknown functionality of the file /api/admin/sys-file/upload of the component API Endpoint. Such manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit is publicly available and might be used. Upgrading to version 1.3.3-beta can resolve this issue. The name of the patch is aefaabfd7527188bfba3c8c9eee17c316d094802. Upgrading the affected component is recommended. The project was informed beforehand and acted very professional: \"We have introduced a whitelist restriction on the /api/admin/sys-file/upload endpoint via the oss.allowedExts and oss.allowedMimeTypes configuration options, allowing the specification of permitted file extensions and MIME types for uploads.\""}, {"lang": "es", "value": "Una vulnerabilidad fue identificada en feiyuchuixue sz-boot-parent hasta 1.3.2-beta. Afectada por este problema es alguna funcionalidad desconocida del archivo /api/admin/sys-file/upload del componente API Endpoint. Tal manipulaci\u00f3n lleva a una carga sin restricciones. El ataque puede ser lanzado remotamente. El exploit est\u00e1 disponible p\u00fablicamente y podr\u00eda ser usado. La actualizaci\u00f3n a la versi\u00f3n 1.3.3-beta puede resolver este problema. El nombre del parche es aefaabfd7527188bfba3c8c9eee17c316d094802. La actualizaci\u00f3n del componente afectado es recomendada. El proyecto fue informado de antemano y actu\u00f3 de manera muy profesional: 'Hemos introducido una restricci\u00f3n de lista blanca en el endpoint /api/admin/sys-file/upload a trav\u00e9s de las opciones de configuraci\u00f3n oss.allowedExts y oss.allowedMimeTypes, permitiendo la especificaci\u00f3n de extensiones de archivo y tipos MIME permitidos para las cargas.'"}], "id": "CVE-2026-3187", "lastModified": "2026-06-17T10:43:10.600", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": 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"subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3187", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-25T20:55:25.582250Z", "version": "2.0.3"}}]}, "published": "2026-02-25T15:20:55.277", "references": [{"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://github.com/feiyuchuixue/sz-boot-parent/"}, {"source": "cna@vuldb.com", "tags": ["Patch"], "url": "https://github.com/feiyuchuixue/sz-boot-parent/commit/aefaabfd7527188bfba3c8c9eee17c316d094802"}, {"source": "cna@vuldb.com", "tags": ["Release Notes"], "url": "https://github.com/feiyuchuixue/sz-boot-parent/releases/tag/v1.3.3-beta"}, {"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/yuccun/CVE/blob/main/sz-boot-parent-Arbitrary_File_Upload.md"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.347745"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.347745"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.754038"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-434"}], "source": "cna@vuldb.com", "type": 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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.3.2-beta"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "1.3.3-beta"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "sz-boot-parent", "source": "cna", "vendor": "feiyuchuixue"}, "product": "sz-boot-parent", "vendor": "feiyuchuixue"}], "analysis": {"en": {"generated_at": "2026-04-18T17:41:48.166012+00:00", "value": {"mitigation_remediation": ["Upgrade feiyuchuixue sz-boot-parent to v1.3.3-beta as released on GitHub.", "If immediate upgrade is not possible, configure oss.allowedExts and oss.allowedMimeTypes to restrict acceptable file extensions and MIME types on the /api/admin/sys-file/upload endpoint.", "Deploy network-level filtering or application gateway rules to block access to the upload endpoint from untrusted IPs, and monitor upload activity for anomalies."], "summary": {"action": "Immediate Patch", "impact": "Unrestricted File Upload enabling potential data tampering"}, "threat_synthesis": {"affected_systems": "The vulnerability exists in the feiyuchuixue sz-boot-parent project up to version 1.3.2-beta. All releases before the patched 1.3.3-beta are affected; the issue was identified in the repository and the fix is available on the stated commit and release tag.", "description_and_impact": "A flaw in the /api/admin/sys-file/upload endpoint allows any user to upload files without validation of type or extension. This creates a risk that malicious content can be stored on the server and later processed, potentially leading to data tampering or unauthorized disclosure. The weakness is classified as an improper access control and unrestricted file upload.", "risk_and_exploitability": "The CVSS base score of 5.3 indicates moderate impact, and the EPSS score of less than 1% shows a very low probability of exploitation, although public exploit code is available. Based on the description, the attack vector is inferred to be remote; attackers can remotely trigger the upload if the endpoint is reachable. The vulnerability is not listed in the CISA KEV catalog. The patch addresses the problem by implementing whitelist limits on allowed extensions and MIME types."}}}}, "created": "2026-02-26T13:18:00.095057+00:00", "updated": "2026-04-18T17:45:06.063044+00:00", "vendors": ["feiyuchuixue", "feiyuchuixue$PRODUCT$sz-boot-parent"]}