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8.9
CVE-2026-55563: Feast lets forked code access cloud credentials
CVE-2026-55563 · published 18 days ago
Summary
Feast versions before 0.65.0 run test scripts from external contributors using a workflow that keeps approval labels even after code changes. This lets a malicious contributor execute their own code with access to Google Cloud, Amazon Web Services, and Snowflake passwords stored in the test environment. Upgrade to Feast 0.65.0 or later to stop this behavior.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| feast-dev | feast | < 0.65.0 |
Original advisory text
Feast: `pull_request_target` integration tests run untrusted fork code with production cloud secrets; the `ok-to-test` label guard is bypassable via label persistence on `synchronize`
Feast is the open source feature store for AI and machine learning. Prior to 0.65.0, .github/workflows/pr_integration_tests.yml uses pull_request_target with the synchronize event and preserves ok-to-test, approved, or lgtm labels across newly pushed commits, allowing a fork contributor to obtain approval for a benign revision and then run changed code from refs/pull/${{ github.event.pull_request.number }}/merge through privileged make targets. The job exposes GCP, AWS, and Snowflake credentials to that code, enabling runner code execution, credential disclosure, and possible access to downstream cloud resources. An external label-removal integration could mitigate the condition, but no repository workflow provided that protection. This issue is fixed in version 0.65.0.
References
- https://github.com/feast-dev/feast/security/advisories/GHSA-2j2x-r73g-hrr5
- https://github.com/feast-dev/feast/commit/76192229eca01661109ed56e0dd0cf8f732975...
- https://github.com/feast-dev/feast/releases/tag/v0.65.0
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55563... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-55563 Vendor Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Severity
8.9
High
Type
CWE-863Incorrect Authorization
Timeline
Published21 Sep 2026
Updated9 Oct 2026
First seen21 Sep 2026
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