An issue was discovered in webargs before 5.1.3, as used with marshmallow and other products. JSON parsing uses a short-lived cache to store the parsed JSON body. This cache is not thread-safe, meaning that incorrect JSON payloads could have been parsed for concurrent requests.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| webargs(PyPI) | 0 | 5.1.3 | N/A |
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