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GHSA-993G-76C3-P5M4 PyJWKClient: missing scheme allowlist enables CVE-2024-21643-class SSRF + token forgery via file://, ftp://, data: schemes

🗓️ 15 Jun 2026 19:28:41Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

PyJWKClient accepts any URL, enabling local file reads and data/FTP fetches for token forgery.

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16 Jun 2026 14:44Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.14.2
EPSS0.00181
5