Observable Response Discrepancy Affecting fastapi-opa package, versions [,2.0.1)
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.05% (17th
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-FASTAPIOPA-7456992
- published 16 Jul 2024
- disclosed 15 Jul 2024
- credit Unknown
Introduced: 15 Jul 2024
CVE-2024-40627 Open this link in a new tabHow to fix?
Upgrade fastapi-opa to version 2.0.1 or higher.
Overview
fastapi-opa is a Fastapi OPA middleware incl. auth flow.
Affected versions of this package are vulnerable to Observable Response Discrepancy due to allowing all HTTP OPTIONS requests without evaluating it against any policy. An unauthenticated attacker could discover which entities exist within an application.