Vulnerability DatabaseCVE-2026-47690
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CVE-2026-47690
Published:July 21, 2026
Updated:August 02, 2026
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.
Related Resources (8)
https://github.com/meltano/hub/pull/2251
https://nvd.nist.gov/vuln/detail/CVE-2026-47690
https://github.com/meltano/hub/pull/2249
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://github.com/meltano/hub/commit/923820de8f64d753951fbbd54f7282a3d5f75173
https://github.com/meltano/hub/pull/2247
https://github.com/myogahunter/meltano-hub-poc
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Special Elements Used in a Template Engine
CWE-1336
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-77
EPSS
Base Score:
0.29