fastapi-code-generator: Call-time RCE via operation summary -> unescaped route-handler docstring
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-h667-4jj2-cgv4 | fastapi-code-generator: Call-time RCE via operation summary -> unescaped route-handler docstring |
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.468% 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 Operation.summary into a generated route-handler docstring as a triple-double-quoted string without escaping embedded triple quotes. An attacker-controlled or attacker-influenced operation summary can close the docstring and inject a valid Python expression statement into the handler body. Syntax-breaking input only causes generation to fail, but syntactically valid generated code executes with the server process's privileges when the affected route handler is called. This call-time route-handler docstring sink is distinct from the project's separate import-time route-path and additional-response-key sinks. This issue is fixed in version 0.8.1. | |
| Title | fastapi-code-generator: Call-time RCE via operation summary -> unescaped route-handler docstring | |
| Weaknesses | CWE-116 CWE-94 |
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cvssV4_0
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