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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Vitodeploy Vito — versions < 3.20.3
Weakness classification (CWE)
References
- github.com/vitodeploy/vito/security/advisories/GHSA-3m6w-8qh4-qr76 (Exploit, Vendor Advisory)
- github.com/vitodeploy/vito/pull/1036 (Patch, Issue Tracking)
- github.com/vitodeploy/vito/commit/0fdcfe5f0b93da644a0456e0e4544763828e3326 (Patch)
- github.com/vitodeploy/vito/releases/tag/3.20.3 (Product, 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.