AIKIDO-2025-10686
Authlib is vulnerable to Uncontrolled Resource Consumption
30
Low Risk
This Affects:
AuthlibTL;DR
Affected versions of this package are vulnerable to Denial of Service (DoS) via Unbounded JWS Deserialization, where the lack of size limitations on JWS components could allow an attacker to exhaust server resources by submitting malicious tokens with extremely large segments. An attacker could exploit this by crafting JWS tokens with oversized headers, payloads, or signatures, causing excessive memory consumption or CPU usage during decoding.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
Authlib is vulnerable to Uncontrolled Resource Consumption in versions 1.0.0 - 1.6.4.
How to fix this
Upgrade the Authlib library to the patch version.
Links
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SOC 2Compliant
ISO 27001Compliant