Critical OAuth2-Proxy Flaw (CVE-2025-54576, CVSS 9.1) Allows Authentication Bypass via Query Parameters Vulnerability Report Critical OAuth2-Proxy Flaw (CVE-2025-54576, CVSS 9.1) Allows Authentication Bypass via Query Parameters Do Son July 31, 2025 0 A critical vulnerability in the popular OAuth2-Proxy open-source authentication tool has been discovered, allowing attackers to bypass... Read More Read more about Critical OAuth2-Proxy Flaw (CVE-2025-54576, CVSS 9.1) Allows Authentication Bypass via Query Parameters