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CVE-2026-5366— Git Argument Injection in prefecthq/prefect

AI Predicted 8.1 Difficulty: Easy EPSS 0.87% · P56

Affected Version Matrix 1

VendorProductVersion RangeStatus
prefecthqprefecthq/prefectunspecified≤ latestaffected
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I. Basic Information for CVE-2026-5366

Vulnerability Information
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Vulnerability Title
Git Argument Injection in prefecthq/prefect
Source: CVE Program / CVE List V5
Vulnerability Description
Prefect version 3.6.23 is vulnerable to remote code execution due to improper handling of user-controlled input in the `GitRepository` storage class. The `commit_sha` parameter, which is passed to git commands, lacks validation and does not include a `--` separator to distinguish user input from git flags. This allows attackers to inject arbitrary git flags, such as `--upload-pack`, enabling execution of external programs. Additionally, the `directories` parameter can be exploited to inject git flags during sparse-checkout operations. These vulnerabilities allow any user with deployment creation permissions to execute arbitrary commands on worker machines, compromising shared work pools in multi-tenant environments.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
prefect 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Prefect是Prefect公司开源的一款工作流编排工具,使开发人员能够构建、观察数据管道并对数据管道做出反应。 Prefect 3.6.23版本存在代码注入漏洞，该漏洞源于对GitRepository存储类中用户控制输入的处理不当，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
prefecthqprefecthq/prefect unspecified ~ latest -

II. Public POCs for CVE-2026-5366

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III. Intelligence Information for CVE-2026-5366

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Vendor Advisories for CVE-2026-5366 (1)

IV. Related Vulnerabilities

Same product: prefecthq/prefect
Same vendor: prefecthq
Same weakness: CWE-94

V. Comments for CVE-2026-5366

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