Code comments cause SAML conundrum. [Research Saturday]

Researchers at Duo Security recently unearthed a new vulnerability class that affects SAML-based single sign-on (SSO) systems. This vulnerability can allow an attacker with authenticated access to trick SAML systems into authenticating as a different user without knowledge of the victim user’s password.

Kelby Ludwig is a Senior Application Security Engineer at Duo security, and he takes us through his discoveries. 

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