CVE-2026-45227
Deferred Deferred - Pending Action
BaseFortify

Publication date: 2026-05-12

Last updated on: 2026-05-14

Assigner: VulnCheck

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.
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Meta Information
Published
2026-05-12
Last Modified
2026-05-14
Generated
2026-05-20
EPSS Evaluated
2026-05-19
NVD
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-693 The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
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0/70
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