CVE-2026-45227— Heym < 0.0.21 Sandbox Escape via Python Introspection
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I. Basic Information for CVE-2026-45227
Vulnerability Information
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Vulnerability Title
Heym < 0.0.21 Sandbox Escape via Python Introspection
Source: NVD (National Vulnerability Database)
Vulnerability Description
Heym before 0.0.21 contains a sandbox escape vulnerability in the custom Python tool executor that allows authenticated workflow authors to bypass sandbox restrictions by using object-graph introspection primitives. Attackers can use Python introspection techniques to recover the unrestricted __import__ function, import blocked modules such as os and subprocess, and access inherited backend environment variables containing database credentials and encryption keys to execute arbitrary host commands as the backend service user.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
保护机制失效
Source: NVD (National Vulnerability Database)
Vulnerability Title
Heym 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Heym是heymrun开源的一个AI原生工作流自动化平台。 Heym 0.0.21之前版本存在安全漏洞，该漏洞源于自定义Python工具执行器中存在沙箱逃逸，可能导致经过身份验证的工作流作者通过对象图内省原语绕过沙箱限制。
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
II. Public POCs for CVE-2026-45227
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 6685 chars
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III. Intelligence Information for CVE-2026-45227
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- https://github.com/heymrun/heym/pull/94issue-tracking
- https://github.com/heymrun/heym/releases/tag/v0.0.21release-notes
- https://nvd.nist.gov/vuln/detail/CVE-2026-45227
Same Patch Batch · heymrun · 2026-05-12 · 3 CVEs total
| CVE-2026-45225 | 7.6 HIGH | Heym < 0.0.21 Path Traversal File Upload via upload_file() |
| CVE-2026-45226 | 7.1 HIGH | Heym < 0.0.21 Authorization Bypass in Workflow Execution |
IV. Related Vulnerabilities
V. Comments for CVE-2026-45227
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