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webargs@1.9.0 vulnerabilities

Declarative parsing and validation of HTTP request objects, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, Pyramid, Falcon, and aiohttp.

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Direct Vulnerabilities

Known vulnerabilities in the webargs package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Cross-Site Request Forgery (CSRF)

webargs is a python library for parsing and validating HTTP request objects, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, Pyramid, webapp2, Falcon, and aiohttp.

Affected versions of this package are vulnerable to Cross-Site Request Forgery (CSRF). Flaskparser.py does not check that the Content-Type header is application/json when receiving JSON input. If the request body is valid JSON, it will accept it even if the content type is application/x-www-form-urlencoded. This allows for JSON POST requests to be made across domains, leading to CSRF.

How to fix Cross-Site Request Forgery (CSRF)?

Upgrade webargs to version 6.0.0b4, 5.5.3 or higher.

[6.0.0b1,6.0.0b4) [,5.5.3)
  • M
Race Condition

webargs is a python library for parsing and validating HTTP request objects, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, Pyramid, webapp2, Falcon, and aiohttp.

Affected versions of this package are vulnerable to Race Condition. 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.

How to fix Race Condition?

Upgrade webargs to version 5.1.3 or higher.

[,5.1.3)
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