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CVE-2026-47690

Full vulnerability record from the local CVENow database.

Description

MeltanoHub is the source code for hub.meltano.com, the central place for Meltano plugins. Versions of the repo prior to commit 923820de8f64d753951fbbd54f7282a3d5f75173 were vulnerable to exfiltration of `GITHUB_TOKEN` with write permissions to the repository. The vulnerable workflow used pull_request_target, which runs in the context of the base repository with access to secrets. Commit 923820de8f64d753951fbbd54f7282a3d5f75173 fixes the issue. No known workarounds are available.

Severity
HIGH
CVSS score
7.5 (v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-07-21 21:16:51.067000
Last modified
2026-10-24 19:10:00.127000
View original CVE JSON
{
  "id": "CVE-2026-47690",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-21T21:16:51.067",
  "lastModified": "2026-10-24T19:10:00.127",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "MeltanoHub is the source code for hub.meltano.com, the central place for Meltano plugins. Versions of the repo prior to commit 923820de8f64d753951fbbd54f7282a3d5f75173 were vulnerable to exfiltration of `GITHUB_TOKEN` with write permissions to the repository. The vulnerable workflow used pull_request_target, which runs in the context of the base repository with access to secrets. Commit 923820de8f64d753951fbbd54f7282a3d5f75173 fixes the issue. No known workarounds are available."
    },
    {
      "lang": "es",
      "value": "MeltanoHub es el código fuente de hub.meltano.com, el lugar central para los plugins de Meltano. Versiones del repositorio anteriores al commit 923820de8f64d753951fbbd54f7282a3d5f75173 eran vulnerables a la exfiltración de ’GITHUB_TOKEN’ con permisos de escritura en el repositorio. El flujo de trabajo vulnerable utilizaba pull_request_target, que se ejecuta en el contexto del repositorio base con acceso a los secretos. El commit 923820de8f64d753951fbbd54f7282a3d5f75173 soluciona el problema. No se conocen soluciones alternativas disponibles."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "meltano",
          "product": "hub",
          "versions": [
            {
              "version": "< 923820de8f64d753951fbbd54f7282a3d5f75173",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-22T14:59:25.349694Z",
          "id": "CVE-2026-47690",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        },
        {
          "lang": "en",
          "value": "CWE-1336"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/meltano/hub/commit/923820de8f64d753951fbbd54f7282a3d5f75173",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/meltano/hub/pull/2247",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/meltano/hub/pull/2249",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/meltano/hub/pull/2251",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/meltano/hub/security/advisories/GHSA-wrpf-f35c-j28w",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/myogahunter/meltano-hub-poc",
      "source": "[email protected]"
    }
  ]
}