cvedb.io
CVE-2026-3515
HIGH · CVSS 8.5
EPSS exploitation probability: 0%
Published 2026-05-24T05:16:39.167 · Last modified 2026-06-17T10:43:42.170

Summary

A vulnerability in the `GitHubRepository` block of the `prefect-github` integration in Prefect version 3.6.18 allows an attacker to inject arbitrary git command-line options via the `reference` field. The `reference` field is concatenated directly into a `git clone` command string without proper sanitization, and then parsed by `shlex.split()`. This enables injection of options such as `-c`, leading to potential Server-Side Request Forgery (SSRF), credential theft, or remote code execution (RCE). The vulnerability affects both the `aget_directory()` and `get_directory()` methods in `src/integrations/prefect-github/prefect_github/repository.py`. This issue does not affect the GitLab and BitBucket integrations, which use a safer list-based command construction approach.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.