CVE-2026-35216: Budibase is an open-source low-code platform

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CRITICAL 9.0REMOTEUPGRADE

CVE-2026-35216 is a critical-severity flaw (CVSS 9.0) affecting budibase. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Budibase is an open-source low-code platform. Prior to version 3.33.4, an unauthenticated attacker can achieve Remote Code Execution (RCE) on the Budibase server by triggering an automation that contains a Bash step via the public webhook endpoint. No authentication is required to trigger the exploit. The process executes as root inside the container. This issue has been patched in version 3.33.4.

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.0 (Critical)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	10.7% (top 4%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-04-03
Last modified	2026-10-06

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

Last updated 2026-10-06 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-03 16:16 UTCPublished CVE record published
2026-10-06 22:10 UTCUpdated Record last modified

budibase budibase UPGRADE

Affected: < 3.33.4

Fixed in: 3.33.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.33.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade budibase

Note

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

Exact fixes by distribution

npm · @budibase/server · FIXED · 3.33.4 · vulnerable: < 3.33.4 · source

npm install @budibase/server@">=3.33.4" npm ls @budibase/server

Fedora 46 · python-googleapis-common-protos · FIXED · 1.75.5-1.fc46~bootstrap · FEDORA-2026-d911c4c4e6 · source

sudo dnf upgrade --advisory=FEDORA-2026-d911c4c4e6

Fedora ELN · see advisory · FIXED · FEDORA-2026-e3987c278f · source

sudo dnf upgrade --advisory=FEDORA-2026-e3987c278f

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf

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-2026-35216?

budibase: upgrade to 3.33.4. Exact commands for each OS are on this page.

Is CVE-2026-35216 being exploited?

CVE-2026-35216 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-2026-35216 affect?

CVE-2026-35216 affects budibase. Severity is critical (CVSS 9.0). Budibase is an open-source low-code platform. Prior to version 3.33.4, an unauthenticated attacker can achieve Remote Code Execution (RCE) on the Budibase server by triggering an automation that contains a Bash step via the public webhook e

How urgent is CVE-2026-35216?

Priority 65/100. Critical severity; EPSS top 4%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-33226 HIGH 8.7 UPGRADE Budibase is a low code platform for creating internal tools, workflows, and admin panels
CVE-2026-35214 HIGH 8.7 UPGRADE Budibase is an open-source low-code platform
CVE-2026-31818 CRITICAL 9.6 UPGRADE Budibase is an open-source low-code platform
CVE-2026-25044 HIGH 8.8 UPGRADE Budibase is an open-source low-code platform
CVE-2026-25043 MEDIUM 5.3 UPGRADE Budibase is an open-source low-code platform

References

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