Information Leakage Affecting fastapi package, versions [0.36.0, 0.37.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

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  • Snyk ID SNYK-PYTHON-FASTAPI-569038
  • published 13 May 2020
  • disclosed 1 Apr 2020
  • credit Unknown

Introduced: 1 Apr 2020

CVE NOT AVAILABLE CWE-200 Open this link in a new tab

How to fix?

Upgrade fastapi to version 0.37.0 or higher.

Overview

fastapi is a web framework for building APIs with Python 3.6+ based on standard Python type hints.

Affected versions of this package are vulnerable to Information Leakage. When returning a sub-class of a response model and using skip_defaults it could leak information.

References

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None