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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-47690
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-21 21:16:51 UTC
Updated2026-07-22 16:17:25 UTC
DescriptionMeltanoHub 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.002940000 probability, percentile 0.215150000 (date 2026-07-22)

Problem Types: CWE-77 | CWE-1336 | CWE-77 CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') | CWE-1336 CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Meltano Hub affected < 923820de8f64d753951fbbd54f7282a3d5f75173 Not specified

References

ReferenceSourceLinkTags
github.com/myogahunter/meltano-hub-poc [email protected] github.com
github.com/meltano/hub/commit/923820de8f64d753951fbbd54f7282a3d5f75173 [email protected] github.com
github.com/meltano/hub/security/advisories/GHSA-wrpf-f35c-j28w [email protected] github.com
github.com/meltano/hub/pull/2251 [email protected] github.com
github.com/meltano/hub/pull/2249 [email protected] github.com
github.com/meltano/hub/pull/2247 [email protected] github.com
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