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