Arbitrary Argument Injection Affecting prefect package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-PREFECT-17675611
- published29 Jun 2026
- disclosed24 May 2026
- creditUnknown
Introduced: 24 May 2026
CVE-2026-3515 (opens in a new tab)How to fix?
There is no fixed version for prefect.
Overview
prefect is a Prefect is a new workflow management system, designed for modern infrastructure and powered by the open-source Prefect Core workflow engine. Users organize Tasks into Flows, and Prefect takes care of the rest.
Affected versions of this package are vulnerable to Arbitrary Argument Injection via the reference field in the GitHubRepository block, which is concatenated directly into a git clone command string without proper sanitization and then parsed by shlex.split(). An attacker can execute arbitrary git command-line options by supplying crafted input, potentially leading to server-side request forgery, credential theft, or remote code execution.