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CVE-2026-49265 OAuthLib: Timing Attack Vulnerability in PKCE code_verifier Comparison

🗓️ 13 Oct 2026 15:47:11Reported by GoogleType 
osv-cve
 osv-cve
🔗 osv.dev👁 8 Views

Timing attack in OAuthLib PKCE comparison allows potential code_verifier recovery.

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15 Oct 2026 02:47Current
6Medium risk
Vulners AI Score6
CVSS 3.16.8
8