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CVE-2026-44590— Sherlock: Command Injection via pull_request_target in validate_modified_targets.yml

CVSS 9.3 · Critical EPSS 1.14% · P62

Affected Version Matrix 1

VendorProductVersion RangeStatus
sherlock-projectsherlock< 0.16.1affected
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I. Basic Information for CVE-2026-44590

Vulnerability Information
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Vulnerability Title
Sherlock: Command Injection via pull_request_target in validate_modified_targets.yml
Source: NVD (National Vulnerability Database)
Vulnerability Description
Sherlock hunts down social media accounts by username across social networks. Prior to 0.16.1, the GitHub Actions workflow validate_modified_targets.yml is vulnerable to command injection via the pull_request_target trigger. Any GitHub user can execute arbitrary commands on the CI runner and exfiltrate the GITHUB_TOKEN by opening a pull request. No approval, review, or merge is required. This vulnerability is fixed in 0.16.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
sherlock 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sherlock是Sherlock开源的一款跨400多个社交网络的用户名搜索工具。 Sherlock 0.16.1之前版本存在操作系统命令注入漏洞，该漏洞源于GitHub Actions工作流validate_modified_targets.yml中的pull_request_target触发器存在命令注入，允许任何GitHub用户通过打开拉取请求在CI运行器上执行任意命令并泄露GITHUB_TOKEN。
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
sherlock-projectsherlock < 0.16.1 -

II. Public POCs for CVE-2026-44590

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7531 chars
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III. Intelligence Information for CVE-2026-44590

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Vendor Advisories for CVE-2026-44590 (1)

IV. Related Vulnerabilities

Same weakness: CWE-78

V. Comments for CVE-2026-44590

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