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MeltanoHub vulnerable to command injection in the `test_dispatcher` GitHub Actions workflow

Type: advisorySources: OSV

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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-47690
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 17:39 UTC · Revision 1

Source evidence

MeltanoHub vulnerable to command injection in the `test_dispatcher` GitHub Actions workflow

core-osv · Original source

Published 21 Jul 2026, 20:46 UTC

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.

osv:CVE-2026-47690
Complete source record
{
  "id": "7043af8cbdea682e2bbff046b7c608b65793b9e5dbce762d06170d3f4b4c7fa8",
  "url": "https://osv.dev/vulnerability/CVE-2026-47690",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "MeltanoHub vulnerable to command injection in the `test_dispatcher` GitHub Actions workflow",
    "summary": "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.",
    "evidence": "osv:CVE-2026-47690",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-47690",
      "aliases": [
        "CVE-2026-47690",
        "GHSA-wrpf-f35c-j28w"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/meltano/hub",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "923820de8f64d753951fbbd54f7282a3d5f75173"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "923820de8f64d753951fbbd54f7282a3d5f75173"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "923820de8f64d753951fbbd54f7282a3d5f75173"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "923820de8f64d753951fbbd54f7282a3d5f75173"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "old-hub"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47690.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.884563301Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47690.json",
        "https://github.com/meltano/hub/security/advisories/GHSA-wrpf-f35c-j28w",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-47690",
        "https://github.com/meltano/hub/commit/923820de8f64d753951fbbd54f7282a3d5f75173",
        "https://github.com/meltano/hub/pull/2247",
        "https://github.com/meltano/hub/pull/2249",
        "https://github.com/meltano/hub/pull/2251",
        "https://github.com/myogahunter/meltano-hub-poc"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1336",
          "CWE-77"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47690.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-47690",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505388,
  "published_at": "2026-07-21T20:46:26.449+00:00"
}