Zitadel: >> Zitadel >> 1.46.1 Security Vulnerabilities
The open-source identity infrastructure software Zitadel allows administrators to disable the user self-registration. Versions 4.0.0 to 4.0.2, 3.0.0 to 3.3.6, and all versions prior to 2.71.15 are vulnerable to a username enumeration issue in the login interface. The login UI includes a security feature, Ignoring unknown usernames, that is intended to prevent username enumeration by returning a generic response for both valid and invalid usernames. This vulnerability allows an unauthenticated attacker to bypass this protection by submitting arbitrary userIDs to the select account page and distinguishing between valid and invalid accounts based on the system's response. For effective exploitation, an attacker needs to iterate through possible userIDs, but the impact can be limited by implementing rate limiting or similar measures. The issue has been patched in versions 4.0.3, 3.4.0, and 2.71.15.
CVSS Score
5.3
EPSS Score
0.001
Published
2025-08-22
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 and token on a predefined URI. These id and token can then be used to authenticate the user or their session. However, prior to versions 3.0.0, 2.71.9, and 2.70.10, it was possible to exploit this feature by repeatedly using intents. This allowed an attacker with access to the application’s URI to retrieve the id and token, enabling them to authenticate on behalf of the user. It's important to note that the use of additional factors (MFA) prevents a complete authentication process and, consequently, access to the ZITADEL API. Versions 3.0.0, 2.71.9, and 2.70.10 contain a fix for the issue. No known workarounds other than upgrading are available.
CVSS Score
8.0
EPSS Score
0.001
Published
2025-05-06
Zitadel is open-source identity infrastructure software. ZITADEL administrators can enable a setting called "Ignoring unknown usernames" which helps mitigate attacks that try to guess/enumerate usernames. If enabled, ZITADEL will show the password prompt even if the user doesn't exist and report "Username or Password invalid". While the setting was correctly respected during the login flow, the user's username was normalized leading to a disclosure of the user's existence. This vulnerability is fixed in 2.71.6, 2.70.8, 2.69.9, 2.68.9, 2.67.13, 2.66.16, 2.65.7, 2.64.6, and 2.63.9.
CVSS Score
5.3
EPSS Score
0.0
Published
2025-03-31
The open-source identity infrastructure software Zitadel allows administrators to disable the user self-registration. ZITADEL's Admin API contains Insecure Direct Object Reference (IDOR) vulnerabilities that allow authenticated users, without specific IAM roles, to modify sensitive settings. While several endpoints are affected, the most critical vulnerability lies in the ability to manipulate LDAP configurations. Customers who do not utilize LDAP for authentication are not at risk from the most severe aspects of this vulnerability. However, upgrading to the patched version to address all identified issues is strongly recommended. This vulnerability is fixed in 2.71.0, 2.70.1, ,2.69.4, 2.68.4, 2.67.8, 2.66.11, 2.65.6, 2.64.5, and 2.63.8.
CVSS Score
9.0
EPSS Score
0.004
Published
2025-03-04
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 Registration allowed" option only hid the registration button on the login page. Users could bypass this restriction by directly accessing the registration URL (/ui/login/loginname) and register a user that way. Versions 2.64.0, 2.63.5, 2.62.7, 2.61.4, 2.60.4, 2.59.5, and 2.58.7 contain a patch. No known workarounds are available.
CVSS Score
7.5
EPSS Score
0.031
Published
2024-10-25
Zitadel is open-source identity infrastructure software. Versions prior to 2.64.1, 2.63.6, 2.62.8, 2.61.4, 2.60.4, 2.59.5, and 2.58.7 have a flaw in the URL validation mechanism of Zitadel actions allows bypassing restrictions intended to block requests to localhost (127.0.0.1). The isHostBlocked check, designed to prevent such requests, can be circumvented by creating a DNS record that resolves to 127.0.0.1. This enables actions to send requests to localhost despite the intended security measures. This vulnerability potentially allows unauthorized access to unsecured internal endpoints, which may contain sensitive information or functionalities. Versions 2.64.1, 2.63.6, 2.62.8, 2.61.4, 2.60.4, 2.59.5, and 2.58.7 contain a patch. No known workarounds are available.
CVSS Score
5.9
EPSS Score
0.003
Published
2024-10-25
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. Additionally, the management and auth API always returned the state as active or did not provide any information about the state. Versions 2.62.1, 2.61.1, 2.60.2, 2.59.3, 2.58.5, 2.57.5, 2.56.6, 2.55.8, and 2.54.10 have been released which address this issue. Users are advised to upgrade. Users unable to upgrade may explicitly remove the user grants to make sure the user does not get access anymore.
CVSS Score
7.3
EPSS Score
0.001
Published
2024-09-20
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 applications and resources. Versions 2.62.1, 2.61.1, 2.60.2, 2.59.3, 2.58.5, 2.57.5, 2.56.6, 2.55.8, and 2.54.10 have been released which address this issue. Users are advised t upgrade. Users unable to upgrade may instead of deactivating the service account, consider creating new credentials and replacing the old ones wherever they are used. This effectively prevents the deactivated service account from being utilized. Be sure to revoke all existing authentication keys associated with the service account and to rotate the service account's password.
CVSS Score
8.1
EPSS Score
0.001
Published
2024-09-20
Zitadel is an open source identity management platform. In Zitadel, even after an organization is deactivated, associated projects, respectively their applications remain active. Users across other organizations can still log in and access through these applications, leading to unauthorized access. Additionally, if a project was deactivated access to applications was also still possible. The issue stems from the fact that when an organization is deactivated in Zitadel, the applications associated with it do not automatically deactivate. The application lifecycle is not tightly coupled with the organization's lifecycle, leading to a situation where the organization or project is marked as inactive, but its resources remain accessible. This vulnerability allows for unauthorized access to projects and their resources, which should have been restricted post-organization deactivation. Versions 2.62.1, 2.61.1, 2.60.2, 2.59.3, 2.58.5, 2.57.5, 2.56.6, 2.55.8, and 2.54.10 have been released which address this issue. Users are advised to upgrade. Users unable to upgrade may explicitly disable the application to make sure the client is not allowed anymore.
CVSS Score
4.3
EPSS Score
0.0
Published
2024-09-20
Zitadel is an open source identity management system. In case ZITADEL could not connect to the database, connection information including db name, username and db host name could be returned to the user. This has been addressed in all supported release branches in a point release. There is no workaround since a patch is already available. Users are advised to upgrade.
CVSS Score
5.3
EPSS Score
0.003
Published
2024-05-01
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