CVE-2026-40574

A flaw was found in OAuth2 Proxy, a reverse proxy providing authentication using OAuth2 providers. A remote attacker can exploit an authorization bypass vulnerability by crafting a malicious email claim. This allows the attacker to bypass emaildomain restrictions, which are used to limit access t...

NextAuth.js before 4.10.3 and 3.29.10 sending verification requests (magic link) to unwanted emails

Impact next-auth users who are using the EmailProvider either in versions before 4.10.3 or 3.29.10 are affected. If an attacker could forge a request that sent a comma-separated list of emails eg.: [email protected],[email protected] to the sign-in endpoint, NextAuth.js would send emails to...