High-Severity Bug Reported in Google's OAuth Client Library for Java

Google last month addressed a high-severity flaw in its OAuth client library for Java that could be abused by a malicious actor with a compromised token to deploy arbitrary payloads.
Tracked as CVE-2021-22573, the vulnerability is rated 8.7 out of 10 for severity and relates to an authentication bypass in the library that stems from an improper verification of the cryptographic signature.

bug client google java library oauth severity