Unverified60% confidenceFactExact time
OAuth 2.1 mandates the use of PKCE (Proof Key for Code Exchange) to prevent authorization code interception attacks.
2
Sources
60%
Confidence
Long-term
Relevance
9/5/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedMCP authorization mandates the use of PKCE (Proof Key for Code Exchange) to prevent authorization codes from being intercepted and exploited.80% similarUnverifiedPKCE（Proof Key for Code Exchange，RFC 7636）是专为防止授权码截获攻击而设计的增强机制，在公共客户端场景下尤为关键79% similarUnverifiedPKCE is an important security enhancement in OAuth 2.1 compared to 2.0, defending against authorization code interception attacks through a paired verification mechanism of code_verifier and code_challenge.79% similarUnverifiedOAuth 2.1 is a security-hardened version of OAuth 2.0 that mandates the use of PKCE and deprecates several insecure authorization flows.74% similarUnverifiedOAuth's security advantages over static API keys are reflected in three dimensions: authorization scope can be precisely limited, tokens can be revoked at any time, and short validity periods narrow the attack window.71% similar
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