OpenSAML-C++ Security Advisory - is there any Auth0 impact?

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We support federation of authentication to our customers’ Idps via Auth0 using SAML & WS-Federation protocols.

A customer with an OpenAthens (Shibboleth/SAML) Idp notified us of a security advisory OpenSAML-C++ / Service Provider Security Advisory [13 March 2025]

Does this affect Auth0’s SAML protocol stack?

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Hi @richard.barnett

Thank you for raising our attention to this topic, I’ve contacted our internal team for confirmation regarding this topic. I’ll get back to you as soon as I will have more details.

Thanks
Dawid

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Hi @richard.barnett

Our Security team has reviewed this vulnerability and confirmed that Auth0 is not impacted, as our services do not utilize Shibboleth Service Provider or OpenSAML-C++ components.

Thanks
Dawid

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