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    2 vulnerabilities found for Protocol-buffers-schema parser by Mafintosh

    CVE-2026-5758 (GCVE-0-2026-5758)

    Vulnerability from nvd – Published: 2026-04-15 17:20 – Updated: 2026-04-15 18:55
    VLAI
    Title
    Mafintosh's protocol-buffers-schema is vulnerable to prototype pollution
    Summary
    JavaScript is vulnerable to prototype pollution in Mafintosh's protocol-buffers-schema Version 3.6.0, where an attacker may alter the application logic, bypass security checks, cause a DoS or achieve remote code execution.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Mafintosh Protocol-buffers-schema parser Affected: 3.6.0 , < 3.6.1 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
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              "userInteraction": "NONE",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "Protocol-buffers-schema parser",
          "vendor": "Mafintosh",
          "versions": [
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            {
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        "dateUpdated": "2026-04-15T17:23:02.336Z",
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        "discovery": "UNKNOWN"
      },
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    CVE-2026-5758 (GCVE-0-2026-5758)

    Vulnerability from cvelistv5 – Published: 2026-04-15 17:20 – Updated: 2026-04-15 18:55
    VLAI
    Title
    Mafintosh's protocol-buffers-schema is vulnerable to prototype pollution
    Summary
    JavaScript is vulnerable to prototype pollution in Mafintosh's protocol-buffers-schema Version 3.6.0, where an attacker may alter the application logic, bypass security checks, cause a DoS or achieve remote code execution.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Mafintosh Protocol-buffers-schema parser Affected: 3.6.0 , < 3.6.1 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 6.5,
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              "confidentialityImpact": "LOW",
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          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    ],
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