fastapi-code-generator: Import-time RCE via route path -> unescaped @app.get('...') decorator
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| koxudaxi | fastapi-code-generator | affected |
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Github GHSA |
GHSA-p2mm-64f6-gmpp | fastapi-code-generator: Import-time RCE via route path -> unescaped @app.get('...') decorator |
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.312% probability within 30 days)
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ssvc
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| Description | fastapi-code-generator creates FastAPI applications from OpenAPI files. Prior to 0.8.1, the generator inserts an OpenAPI path into a generated @app.get(...) route decorator as a single-quoted generated route string without escaping embedded quotes. An attacker-controlled or attacker-influenced OpenAPI path can close the string and inject a valid Python expression into the decorator argument. Syntax-breaking input only causes generation to fail, but syntactically valid generated code executes with the application's or CI process's privileges when the generated module is imported and the decorator is evaluated. This OpenAPI path sink is distinct from the project's separate operation-summary docstring and additional-response-key sinks. This issue is fixed in version 0.8.1. | |
| Title | fastapi-code-generator: Import-time RCE via route path -> unescaped @app.get('...') decorator | |
| Weaknesses | CWE-116 CWE-94 |
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cvssV4_0
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