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CVE Watch23 jul 2026

CVE-2026-3515

A vulnerability in the `GitHubRepository` block of the `prefect-github` integration in Prefect version 3.6.18 allows an attacker to inject a

CVSS

8.5

Alto

EPSS

0.3%

p22

KEV

—

Exploit Today

7

0-100

Publicado: 24 may 2026 · Última mod.: 23 jul 2026 · CWE-88

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-08-112026-09-07

Descripción técnica

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.

Referencias oficiales

huntr.comhttps://huntr.com/bounties/f3b048b8-7f4e-45ef-a5a7-cb841c39acde

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