Auth bypass in Vitodeploy Vito
CVE-2026-29789
Vito is a self-hosted web application that helps manage servers and deploy PHP applications into production servers. Prior to version 3.20.3, a missing authorization check in workflow site-creation actions allows an authenticated attacker with workflow write access in one project to create/manage sites on servers belonging to other projects by supplying a foreign server_id. This issue has been patched in version 3.20.3.
Vulnerability class: Broken Access Control
EPSS: 0.004 (29.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Vitodeploy Vito — versions < 3.20.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-29789?
- CVE-2026-29789 is a critical-severity vulnerability in Vitodeploy Vito, classified under Missing Authorization. CVSS score: 9.9/10. Published 2026-03-06.
- How severe is CVE-2026-29789?
- Critical severity. CVSS v3 base score is 9.9 out of 10.