Auth bypass in Zitadel
CVE-2026-32131
ZITADEL is an open source identity management platform. Prior to 3.4.8 and 4.12.2, a vulnerability in Zitadel's Management API has been reported, which allowed authenticated users holding a valid low-privilege token (e.g., project.read, project.grant.read, or project.app.read) to retrieve management-plane information belonging to other organizations by specifying a different tenant’s project_id, grant_id, or app_id. This vulnerability is fixed in 3.4.8 and 4.12.2.
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.004 (31.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Zitadel — versions >= 4.0.0, < 4.12.2, < 3.4.8
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-32131?
- CVE-2026-32131 is a high-severity vulnerability in Zitadel, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.7/10. Published 2026-03-11.
- How severe is CVE-2026-32131?
- High severity. CVSS v3 base score is 7.7 out of 10.