CVE-2026-3515— Argument Injection in prefecthq/prefect
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| prefecthq | prefecthq/prefect | unspecified≤ latest | affected |
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I. Basic Information for CVE-2026-3515
Vulnerability Information
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Vulnerability Title
Argument Injection in prefecthq/prefect
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
参数注入或修改
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| prefecthq | prefecthq/prefect | unspecified ~ latest | - |
II. Public POCs for CVE-2026-3515
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-3515 (1)
IV. Related Vulnerabilities
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PrefectHQ prefect Health Check API health endswith improper - CVE-2026-32871
FastMCP OpenAPI Provider has an SSRF & Path Traversal Vulner
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IINA < 1.4.3 Command Execution via iina://open URL Scheme - CVE-2026-8773
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OPNsense: Command Injection via Attacker-Controlled DHCP Con
V. Comments for CVE-2026-3515
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