CVE-2026-29789: Vito is a self-hosted web application that helps manage servers and deploy PHP applications into production se

Q: How do I fix CVE-2026-29789?

vito: upgrade to 3.20.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-29789 being exploited?

CVE-2026-29789 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-29789 affect?

CVE-2026-29789 affects vito. Severity is critical (CVSS 9.9). 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 w

Q: How urgent is CVE-2026-29789?

Priority 48/100. Critical severity; Public exploit reference

This month

CRITICAL 9.9UPGRADE

CVE-2026-29789 is a critical-severity flaw (CVSS 9.9) affecting vito. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-03-06
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: vitodeploy

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-06 21:16 UTCPublished CVE record published
2026-06-17 10:29 UTCUpdated Record last modified

vitodeploy vito UPGRADE

Affected: < 3.20.3

Fixed in: 3.20.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy vito || rpm -q vito || vito --version

2. UPGRADE to 3.20.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade vito

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vito

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-29789?

vito: upgrade to 3.20.3. Exact commands for each OS are on this page.

Is CVE-2026-29789 being exploited?

CVE-2026-29789 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-29789 affect?

CVE-2026-29789 affects vito. Severity is critical (CVSS 9.9). 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 w

How urgent is CVE-2026-29789?

Priority 48/100. Critical severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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