CyberRota Analysis
AI-GeneratedZITADEL versions prior to 3.4.14 and 4.x before 4.16.2 are vulnerable to an authentication bypass due to improper validation of client-supplied external identity fields in the Login V1 UI. This flaw allows unauthenticated attackers to create accounts linked to victims' external identities, potentially leading to unauthorized access when the victim subsequently logs in. Organizations using these versions should prioritize patching this vulnerability to mitigate the risk of account compromise.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
ZITADEL before 3.4.14 and 4.x before 4.16.2 contains an authentication bypass in the hosted Login V1 UI because the 'external account not found' registration endpoint trusts client-supplied external identity fields without a completed IdP callback. Unauthenticated attackers can submit forged IDPConfigID and ExternalUserID values to pre-create an account bound to a victim's external IdP identity, which the victim's later genuine external login then signs into.