EUVD-2025-36698

ZITADEL Vulnerable to Account Takeover via Malicious Forwarded Header Injection...

Use of Single-factor Authentication

Overview Affected versions of this package are vulnerable to Use of Single-factor Authentication due to improper session validation in the authentication process. An attacker can gain unauthorized access to accounts protected by multi-factor authentication by submitting only a single authenticati...

Use of Single-factor Authentication

Overview Affected versions of this package are vulnerable to Use of Single-factor Authentication due to improper session validation in the authentication process. An attacker can gain unauthorized access to accounts protected by multi-factor authentication by submitting only a single authenticati...

Use of Single-factor Authentication

Overview Affected versions of this package are vulnerable to Use of Single-factor Authentication due to improper session validation in the authentication process. An attacker can gain unauthorized access to accounts protected by multi-factor authentication by submitting only a single authenticati...

CVE-2025-64103

Starting from 2.53.6, 2.54.3, and 2.55.0, Zitadel only required multi factor authentication in case the login policy has either enabled requireMFA or requireMFAForLocalUsers. If a user has set up MFA without this requirement, Zitadel would consider single factor auhtenticated sessions as valid as...

CVE-2025-64101

Zitadel is open-source identity infrastructure software. Prior to 4.6.0, 3.4.3, and 2.71.18, a potential vulnerability exists in ZITADEL's password reset mechanism. ZITADEL utilizes the Forwarded or X-Forwarded-Host header from incoming requests to construct the URL for the password reset...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via manipulation of the Forwarded or X-Forwarded-Host headers used to construct password reset confirmation links. An attacker can gain unauthorized access to user accounts by tricking users into clicking a password reset...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via manipulation of the Forwarded or X-Forwarded-Host headers used to construct password reset confirmation links. An attacker can gain unauthorized access to user accounts by tricking users into clicking a password reset...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via manipulation of the Forwarded or X-Forwarded-Host headers used to construct password reset confirmation links. An attacker can gain unauthorized access to user accounts by tricking users into clicking a password reset...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via manipulation of the Forwarded or X-Forwarded-Host headers used to construct password reset confirmation links. An attacker can gain unauthorized access to user accounts by tricking users into clicking a password reset...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via manipulation of the Forwarded or X-Forwarded-Host headers used to construct password reset confirmation links. An attacker can gain unauthorized access to user accounts by tricking users into clicking a password reset...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via manipulation of the Forwarded or X-Forwarded-Host headers used to construct password reset confirmation links. An attacker can gain unauthorized access to user accounts by tricking users into clicking a password reset...

CVE-2025-64103

CVE-2025-64103 concerns Zitadel where, starting from versions 2.53.6, 2.54.3, and 2.55.0, MFA could be bypassed if the login policy did not explicitly require MFA, allowing sessions authenticated with a single factor to remain valid. An attacker could target a six‑digit TOTP code and bypass passw...

CVE-2025-64103 Zitadel Bypass Second Authentication Factor

Starting from 2.53.6, 2.54.3, and 2.55.0, Zitadel only required multi factor authentication in case the login policy has either enabled requireMFA or requireMFAForLocalUsers. If a user has set up MFA without this requirement, Zitadel would consider single factor auhtenticated sessions as valid as...

CVE-2025-64103 Zitadel Bypass Second Authentication Factor

Starting from 2.53.6, 2.54.3, and 2.55.0, Zitadel only required multi factor authentication in case the login policy has either enabled requireMFA or requireMFAForLocalUsers. If a user has set up MFA without this requirement, Zitadel would consider single factor auhtenticated sessions as valid as...

CVE-2025-64103 Zitadel Bypass Second Authentication Factor

Starting from 2.53.6, 2.54.3, and 2.55.0, Zitadel only required multi factor authentication in case the login policy has either enabled requireMFA or requireMFAForLocalUsers. If a user has set up MFA without this requirement, Zitadel would consider single factor auhtenticated sessions as valid as...

CVE-2025-64101 ZITADEL Vulnerable to Account Takeover via Malicious Forwarded Header Injection

Zitadel is open-source identity infrastructure software. Prior to 4.6.0, 3.4.3, and 2.71.18, a potential vulnerability exists in ZITADEL's password reset mechanism. ZITADEL utilizes the Forwarded or X-Forwarded-Host header from incoming requests to construct the URL for the password reset...

CVE-2025-64101 ZITADEL Vulnerable to Account Takeover via Malicious Forwarded Header Injection

Zitadel is open-source identity infrastructure software. Prior to 4.6.0, 3.4.3, and 2.71.18, a potential vulnerability exists in ZITADEL's password reset mechanism. ZITADEL utilizes the Forwarded or X-Forwarded-Host header from incoming requests to construct the URL for the password reset...

Gmail breach panic? It’s a misunderstanding, not a hack

After a misinterpretation of an interview with a security researcher, several media outlets hinted at a major Gmail breach. Reporters claimed the incident took place in April. In reality, the researcher had said there was an enormous amount of Gmail usernames and passwords circulating on the dark...

ZITADEL 安全漏洞

ZITADEL is a modern open source alternative to Auth0, Firebase Auth, AWS Cognito, and Keycloak built for the container and serverless era from the Swiss ZITADEL open source. A security vulnerability exists in ZITADEL versions 2.53.6, 2.54.3, and 2.55.0 that stems from not enforcing multi-factor...