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High 8.2
ZITADEL: MFA bypass via session reuse in Login V2
ZITADEL is an open source identity management platform. From 4.0.0 until 4.16.1, ZITADEL Login V2 creates a browser session after password verification and can reuse that session for a later authentication request without verifying a user's enrolled TOTP, OTP…
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High 8.7
ZITADEL: Actions V1 sandbox escape: host file read via require()
ZITADEL is an open source identity management platform. From 3.0.0 until 3.4.13 and 4.16.1, ZITADEL Actions V1 enables the goja Node-compatible require() registry without restricting its filesystem source loader. An organization Action author with ORG_OWNER, …
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High 8.2
ZITADEL Users Can Self-Verify Email/Phone via API
ZITADEL is an open source identity management platform. From 2.43.0 through 2.71.19, from 3.0.0 until 3.4.11, and from 4.0.0 until 4.15.1, the email and phone self-management API paths in internal/command/user_v2_email.go, internal/command/user_v2_phone.go, a…
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High 8.1
ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange
ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's OAuth2 Token Exchange endpoint for urn:ietf:params:oauth:grant-type:token-exchange does not verify that the subject token belongs to the requesting client or that requested sco…
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High 7.4
ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)
ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC CodeExchange, RefreshToken, and device token flows fail to verify that the requesting client matches the client that initiated the authorization flow…
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High 7.5
ZITADEL: LDAP Filter Injection in Login Flow
ZITADEL is an open source identity management platform. From 2.71.11 to before 3.4.10 and 4.15.0, a vulnerability was discovered in Zitadel's LDAP identity provider implementation, which fails to properly escape user-provided usernames before incorporating th…
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High 8.1
ZITADEL: Account Takeover Due to Improper Instance Validation in V2 Login
ZITADEL is an open source identity management platform. From version 4.0.0-rc.1 to 4.7.0, 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 c…
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High 8.2
ZITADEL: Bypassing Zitadel Login Behavior and Security Policy in Login V2
ZITADEL is an open source identity management platform. From version 4.0.0 to 4.12.0, a vulnerability in Zitadel's login V2 UI allowed users to bypass login behavior and security policies and self-register new accounts or sign in using password even if corres…
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High 7.7
ZITADEL: Stored XSS via Default URI Redirect Leads to Account Takeover
ZITADEL is an open source identity management platform. From version 4.0.0 to 4.11.1, a vulnerability in Zitadel's login V2 interface was discovered that allowed a possible account takeover via Default URI Redirect. This issue has been patched in version 4.12…
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High 8.2
ZITADEL Users Can Self-Verify Email/Phone via UpdateHumanUser API
ZITADEL is an open source identity management platform. Prior to versions 4.11.1 and 3.4.7, a vulnerability in Zitadel's self-management capability allowed users to mark their email and phone as verified without going through an actual verification process. T…
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High 8.0
ZITADEL Vulnerable to Account Takeover via DOM-Based XSS in Zitadel V2 Login
ZITADEL is an open-source identity infrastructure tool. Versions 4.0.0-rc.1 through 4.7.0 are vulnerable to DOM-Based XSS through the Zitadel V2 logout endpoint. The /logout endpoint insecurely routes to a value that is supplied in the post_logout_redirect GE…
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High 7.4
ZITADEL vulnerable to Account Takeover with deactivated Instance IdP
ZITADEL is an open source identity management platform. Starting in version 2.50.0 and prior to versions 2.71.19, 3.4.4, and 4.6.6, a vulnerability in ZITADEL's federation process allowed auto-linking users from external identity providers to existing users i…
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High 8.7
IDOR Vulnerabilities in ZITADEL's Organization API allows Cross-Tenant Data Tempering
Zitadel is an open source identity management platform. Versions 4.0.0-rc.1 through 4.6.2 are vulnerable to secure Direct Object Reference (IDOR) attacks through its V2Beta API, allowing authenticated users with specific administrator roles within one organiz…
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High 8.7
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 fac…
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High 7.7
Zitadel allows brute-forcing authentication factors
Zitadel is open-source identity infrastructure software. Prior to 4.6.0, 3.4.3, and 2.71.18, an attacker can perform an online brute-force attack on OTP, TOTP, and passwords. While Zitadel allows preventing online brute force attacks in scenarios like TOTP, E…
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High 8.1
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 …
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High 8.1
ZITADEL Allows Account Takeover via Malicious X-Forwarded-Proto Header Injection
Zitadel is open-source identity infrastructure software. Prior to versions 2.70.12, 2.71.10, and 3.2.2, a potential vulnerability exists in the password reset mechanism. ZITADEL utilizes the Forwarded or X-Forwarded-Host header from incoming requests to const…
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High 8.0
ZITADEL Allows IdP Intent Token Reuse
The identity infrastructure software ZITADEL offers developers the ability to manage user sessions using the Session API. This API enables the use of IdPs for authentication, known as idp intents. Following a successful idp intent, the client receives an id a…
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High 7.5
Zitadel User Registration Bypass Vulnerability
The open-source identity infrastructure software Zitadel allows administrators to disable the user self-registration. Due to a missing security check in versions prior to 2.64.0, 2.63.5, 2.62.7, 2.61.4, 2.60.4, 2.59.5, and 2.58.7, disabling the "User Registra…
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High 7.3
User Grant Deactivation not Working in Zitadel
Zitadel is an open source identity management platform. ZITADEL's user grants deactivation mechanism did not work correctly. Deactivated user grants were still provided in token, which could lead to unauthorized access to applications and resources. Additiona…
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High 8.1
Service Users Deactivation not Working in Zitadel
Zitadel is an open source identity management platform. ZITADEL's user account deactivation mechanism did not work correctly with service accounts. Deactivated service accounts retained the ability to request tokens, which could lead to unauthorized access to…
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High 8.7
ZITADEL Improper Content-Type Validation Leads to Account Takeover via Stored XSS + CSP Bypass
ZITADEL users can upload their own avatar image and various image types are allowed. Due to a missing check, an attacker could upload HTML and pretend it is an image to gain access to the victim's account in certain scenarios. A possible victim would need to …
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High 8.1
ZITADEL vulnerable to improper HTML sanitization
ZITADEL, open source authentication management software, uses Go templates to render the login UI. Due to a improper use of the `text/template` instead of the `html/template` package, the Login UI did not sanitize input parameters prior to versions 2.47.3, 2.…
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High 7.5
Account Takeover via Session Fixation in Zitadel [Bypassing MFA]
Zitadel is an open source identity management system. Zitadel uses a cookie to identify the user agent (browser) and its user sessions. Although the cookie was handled according to best practices, it was accessible on subdomains of the ZITADEL instance. An at…
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High 8.1
ZITADEL vulnerable account takeover via malicious host header injection
ZITADEL is an identity infrastructure system. ZITADEL uses the notification triggering requests Forwarded or X-Forwarded-Host header to build the button link sent in emails for confirming a password reset with the emailed code. If this header is overwritten a…
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High 7.3
ZITADEL race condition in lockout policy execution
ZITADEL provides identity infrastructure. ZITADEL provides administrators the possibility to define a `Lockout Policy` with a maximum amount of failed password check attempts. On every failed password check, the amount of failed checks is compared against the…
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High 8.7
Broken Authorization in ZITADEL Actions
ZITADEL combines the ease of Auth0 and the versatility of Keycloak.**Actions**, introduced in ZITADEL **1.42.0** on the API and **1.56.0** for Console, is a feature, where users with role.`ORG_OWNER` are able to create Javascript Code, which is invoked by the…