CVE-2022-39304 — ghinstallation provides transport, which implements http
ghinstallation provides transport, which implements http.RoundTripper to provide authentication as an installation for GitHub Apps. In ghinstallation version 1, when the request to refresh an installation token failed, the HTTP request and response would be returned for debugging
Published
2022-12-20T19:52:28.024Z
Last modified
2025-04-16T14:47:35.191Z
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:L
01What is this vulnerability?
ghinstallation provides transport, which implements http.RoundTripper to provide authentication as an installation for GitHub Apps. In ghinstallation version 1, when the request to refresh an installation token failed, the HTTP request and response would be returned for debugging. The request contained the bearer JWT for the App, and was returned back to clients. This token is short lived (10…
02Affected products
| Vendor | Product | Versions |
|---|
| bradleyfalzon | ghinstallation | < 2.0.0 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2022-12-20T19:52:28.024Z
- Last modified: 2025-04-16T14:47:35.191Z
09References
- github.com — https://github.com/bradleyfalzon/ghinstallation/security/advisories/GHSA-h4q8-96…
- github.com — https://github.com/bradleyfalzon/ghinstallation/commit/d24f14f8be70d94129d76026e…
- docs.github.com — https://docs.github.com/en/developers/apps/building-github-apps/authenticating-w…
- github.com — https://github.com/bradleyfalzon/ghinstallation/blob/24e56b3fb7669f209134a01eff7…
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