### Summary A potential vulnerability exists in ZITADEL's password reset mechanism in login V2. ZITADEL utilizes the Forwarded or X-Forwarded-Host header from incoming requests to construct the URL for the password reset confirmation link. This link, containing a secret code, is then emailed to the user. ### Impact If an attacker can manipulate these headers (e.g., via host header injection), they could cause ZITADEL to generate a password reset link pointing to a malicious domain controlled by the attacker. If the user clicks this manipulated link in the email, the secret reset code embedded…
GHSA-pfrf-9r5f-73f5: ZITADEL Vulnerable to Account Takeover Due to Improper Instance Validation in V2 Login
ZITADEL's password reset mechanism in login V2 is vulnerable to account takeover due to improper instance validation, allowing attackers to manipulate headers and generate malicious password reset links.