CVE-2025-64431 IDOR Vulnerabilities in ZITADEL's Organization API allows Cross-Tenant Data Tempering

What is CVE-2025-64431?

CVE-2025-64431 is a high-severity missing authorization vulnerability in zitadel, published on 7 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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 organization to access and modify data belonging to other organizations. Note that this vulnerability is limited to organization-level data (name, domains, metadata). No other related data (such as users, projects, applications, etc.) is affected. This issue is fixed in version 4.6.3.

Weakness: CWE-639

Which versions are affected by CVE-2025-64431?

5 open source packages ship an affected version, including github.com/zitadel/zitadel.

How do I fix CVE-2025-64431?

Upgrade github.com/zitadel/zitadel to a fixed version for your release line: 1.80.0-v2.20.0.20251105083648-8dcfff97ed52 or 4.6.3.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-64431 being exploited?

There is no known exploitation of CVE-2025-64431 in the wild and no public exploit code.

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cpf4-pmr4-w6cx, GO-2025-4099.