CVE-2026-48717 | OpenIdentityPlatform OpenAM up to 16.1.0 PKCE AuthorizationCodeGrantTypeHandler code_verifier improper authentication

September 15, 2026 Yanac

A vulnerability identified as critical has been detected in OpenIdentityPlatform OpenAM up to 16.1.0. This impacts the function AuthorizationCodeGrantTypeHandler of the component PKCE. The manipulation of the argument code_verifier leads to improper authentication.

This vulnerability is referenced as CVE-2026-48717. Remote exploitation of the attack is possible. No exploit is available.

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