Threats Tagged 'cve-2026-90474'
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Threats Tagged 'cve-2026-90474'
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0 MCPHub versions before 1.0.32 have an authentication bypass vulnerability in their embedded OAuth 2.0 authorization server. The vulnerability arises because client authentication is disabled by default and PKCE enforcement is optional. An attacker who intercepts an authorization code can redeem it for access tokens without needing a client secret or PKCE verifier, potentially gaining unauthorized access to victim accounts and their privileges. Join the discussion | CVE Database V5 | 09/12/2026, 11:06:12 UTC Added: 09/12/2026, 11:17:47 UTC |
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