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Vulnerability record · CVE-2026-47690 · published 21 July 2026

CVE-2026-47690: Command injection vulnerability

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.

7.5 CVSS 3.1 High EPSS 0.52% · top 57.9% CWE-77 · Command injectionCWE-1336 · CWE-1336 Awaiting Analysis
7.5CVSS 3.1 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
23 Jul 2026Last modified by NVD

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.

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

References

LinkTags
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/meltano/hub/security/advisories/GHSA-wrpf-f35c-j28w
https://github.com/myogahunter/meltano-hub-poc

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Source: NIST National Vulnerability Database (record CVE-2026-47690), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.