{"id":86999,"date":"2026-04-26T16:10:10","date_gmt":"2026-04-26T16:10:10","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T06:00:00","slug":"cve-2025-59420-critical-vulnerability-in-authlib-python-library-s-jws-verification-process","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-59420-critical-vulnerability-in-authlib-python-library-s-jws-verification-process\/","title":{"rendered":"CVE-2025-59420: Critical Vulnerability in Authlib Python Library’s JWS Verification Process<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

CVE-2025-59420 is a critical vulnerability identified in the Authlib Python library. This vulnerability, which affects versions of Authlib prior to 1.6.4, has potential system compromise or data leakage implications for any servers built using this library. The vulnerability’s importance is underscored by its high CVSS severity score of 7.5 and the risks it poses to OAuth and OpenID Connect servers.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-59420
\nSeverity: High – CVSS Score 7.5
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>

\r\n

\r\n \r\n \"Ameeba\r\n <\/a>\r\n Share secrets securely\r\n <\/h2>\r\n\r\n

\r\n Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n <\/p>\r\n\r\n

\r\n Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n <\/p>\r\n\r\n