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GHSA-5293-mq8x-g3xj

HighCVSS 8.4 / 10
Published Oct 6, 2026·Last modified Oct 6, 2026
Affected Components(1)
PyPI logoopenapi-python-client
< 0.29.1
Description

Impact

A malicious OpenAPI document processed by any openapi-python-client prior to 0.29.1 can generate arbitrary Python code. When anyone imports the malicious client, that arbitrary Python code will execute.

Patches

Versions starting with 0.29.1 have updated with guardrails to prevent arbitrary code generation. Upgrade to this version immediately and audit any code previously generated from untrusted documents.

Workarounds

Do not generate clients for documents you don't completely trust. Carefully verify any existing generated code from untrusted documents.

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Risk Scores
Base Score
8.4

The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights.

Threat Intelligence
5.7

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.14%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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