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TI-2026-03028 Aliases CVE-2026-3515GHSA-cw25-2p92-7f75

Argument Injection in prefecthq/prefect

Priority LOW 37CWE-88Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-88.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00298 22nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PrefectHQprefecthq/prefectup to latest—No fix listedCNA
—prefect (PyPI)up to 3.6.18—No fix listedGHSA-cw25-2p92-7f75
  • prefecthq/prefect VendorPrefectHQ Affected up to latest Fixed in — No fix listed CNA
  • prefect (PyPI) Vendor— Affected up to 3.6.18 Fixed in — No fix listed GHSA-cw25-2p92-7f75

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:prefect:prefect:*:*:*:*:*:*:*:*——PrefectHQ
  • cpe:2.3:a:prefect:prefect:*:*:*:*:*:*:*:* Versions — — ·PrefectHQ

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3515
  2. 2026-10-03 Alias added: GHSA-cw25-2p92-7f75

References

Advisory 1

Other 2

  • TI-2026-25332 FastMCP OpenAPI Provider has an SSRF & Path Traversal Vulnerability CVSS 4.0CRITICAL 10.0
  • TI-2026-04695 Git Argument Injection in prefecthq/prefect CVSS 3.0CRITICAL 9.9
  • TI-2026-03027 Authentication Bypass in prefecthq/prefect CVSS 3.0HIGH 7.5
  • TI-2026-06805 PrefectHQ prefect WebSocket Endpoint in missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-06804 PrefectHQ prefect Health Check API health endswith improper authentication CVSS 4.0MEDIUM 6.9
  • TI-2024-07590 CORS Misconfiguration in prefecthq/prefect CVSS 3.0HIGH 7.6
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences