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Tue, 03 Nov 2026 20:30:00 +0000
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ssvc
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Tue, 03 Nov 2026 19:30:00 +0000
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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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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-11-03T19:34:47.499Z
Reserved: 2026-07-16T21:37:45.769Z
Link: CVE-2026-63470
Updated: 2026-11-03T19:34:43.036Z
Status : Deferred
Published: 2026-11-03T20:18:15.590
Modified: 2026-11-03T20:31:38.783
Link: CVE-2026-63470
No data.
OpenCVE Enrichment
Updated: 2026-11-03T20:45:01Z