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

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-07 · updated 2026-06-17
• Weakness: CWE-639

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.

Affected products

• zitadel: from 4.0.0-rc.1, < 4.6.3; from 1.80.0-v2.20.0.20250414095945-f365cee73242, < 1.80.0-v2.20.0.20251105083648-8dcfff97ed52

References

• https://github.com/zitadel/zitadel/commit/8dcfff97ed52a8b9fc77ecb1f972744f42cff3ed
• https://github.com/zitadel/zitadel/releases/tag/v4.6.3
• https://github.com/zitadel/zitadel/security/advisories/GHSA-cpf4-pmr4-w6cx

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