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CVE-2026-3187

Estado: AnalizadaBaja (2.1)—

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.

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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."

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Szadmin — Sz-boot-parent

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-3187",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-3187",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-25T20:55:25.582250Z"
        }
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    "cvssMetricV2": [
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
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          "confidentialityImpact": "LOW"
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        "exploitabilityScore": 2.8
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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          "confidentialityImpact": "HIGH"
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          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "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",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
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          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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      "affectedData": [
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          "modules": [
            "API Endpoint"
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          "product": "sz-boot-parent",
          "versions": [
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              "status": "affected",
              "version": "1.3.2-beta"
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              "version": "1.3.3-beta"
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      "tags": [
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      "tags": [
        "Patch"
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      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/feiyuchuixue/sz-boot-parent/releases/tag/v1.3.3-beta",
      "tags": [
        "Release Notes"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/yuccun/CVE/blob/main/sz-boot-parent-Arbitrary_File_Upload.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/?ctiid.347745",
      "tags": [
        "Permissions Required",
        "VDB Entry"
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      "tags": [
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      "source": "cna@vuldb.com"
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        "VDB Entry"
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      "source": "cna@vuldb.com"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        },
        {
          "lang": "en",
          "value": "CWE-434"
        }
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    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
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    }
  ],
  "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 manipulación lleva a una carga sin restricciones. El ataque puede ser lanzado remotamente. El exploit está disponible públicamente y podría ser usado. La actualización a la versión 1.3.3-beta puede resolver este problema. El nombre del parche es aefaabfd7527188bfba3c8c9eee17c316d094802. La actualización del componente afectado es recomendada. El proyecto fue informado de antemano y actuó de manera muy profesional: 'Hemos introducido una restricción de lista blanca en el endpoint /api/admin/sys-file/upload a través de las opciones de configuración oss.allowedExts y oss.allowedMimeTypes, permitiendo la especificación de extensiones de archivo y tipos MIME permitidos para las cargas.'"
    }
  ],
  "lastModified": "2026-06-17T10:43:10.600",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:szadmin:sz-boot-parent:*:*:*:*:*:*:*:*",
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              "versionEndIncluding": "0.9.0"
            },
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  "sourceIdentifier": "cna@vuldb.com"
}