CVE-2026-47690
Versions of the repo prior to commit 923820de8f64d753951fbbd54f7282a3d5f75173 were vulnerable to exfiltration of `GITHUB_TOKEN` with write permissions to the repository.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.52% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77, CWE-1336
- Source
- security-advisories@github.com
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.