Zitadel up to 2.70.13/2.71.12/3.3.0/4.0.0-rc.1 Session Management API authorization

Summaryinfo

A vulnerability classified as critical has been found in Zitadel up to 2.70.13/2.71.12/3.3.0/4.0.0-rc.1. Affected by this issue is some unknown functionality of the component Session Management API. The manipulation leads to authorization. This vulnerability is uniquely identified as CVE-2025-53895. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Zitadel up to 2.70.13/2.71.12/3.3.0/4.0.0-rc.1 and classified as critical. This issue affects some unknown processing of the component Session Management API. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

ZITADEL is an open source identity management system. Starting in version 2.53.0 and prior to versions 4.0.0-rc.2, 3.3.2, 2.71.13, and 2.70.14, vulnerability in ZITADEL's session management API allows any authenticated user to update a session if they know its ID, due to a missing permission check. This flaw enables session hijacking, allowing an attacker to impersonate another user and access sensitive resources. Versions prior to `2.53.0` are not affected, as they required the session token for updates. Versions 4.0.0-rc.2, 3.3.2, 2.71.13, and 2.70.14 fix the issue.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-53895 since 07/11/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.70.14, 2.71.13 or 3.3.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21459). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Zitadel

Version

• 2.70.0
• 2.70.1
• 2.70.2
• 2.70.3
• 2.70.4
• 2.70.5
• 2.70.6
• 2.70.7
• 2.70.8
• 2.70.9
• 2.70.10
• 2.70.11
• 2.70.12
• 2.70.13
• 2.71.0
• 2.71.1
• 2.71.2
• 2.71.3
• 2.71.4
• 2.71.5
• 2.71.6
• 2.71.7
• 2.71.8
• 2.71.9
• 2.71.10
• 2.71.11
• 2.71.12
• 3.0
• 3.1
• 3.2
• 3.3.0
• 4.0.0-rc.0
• 4.0.0-rc.1

Website

• Product: https://github.com/zitadel/zitadel/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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