GitHub Advisory Databaseabout 7 hours ago

fastapi-code-generator: Call-time RCE via operation summary -> unescaped route-handler docstring

Summary fastapi-code-generator (koxudaxi) emits an operation's summary as the generated route handler's docstring, using a triple-quoted string without escaping """. A """ in the summary closes the docstring and, via concatenation, injects a live expression that becomes an expres

Published November 9, 2026 · 6:50 PM
Summary fastapi-code-generator (koxudaxi) emits an operation's summary as the generated route handler's docstring, using a triple-quoted string without escaping """. A """ in the summary closes the docstring and, via concatenation, injects a live expression that becomes an expres
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Source: GitHub Advisory Database

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