RCE in Budibase
CVE-2026-35216
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.107 · newest: 0.012 · change: -0.096
Affected products
- Budibase — versions < 3.33.4
Weakness classification (CWE)
References
- github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf (Exploit, Vendor Advisory)
- github.com/Budibase/budibase/pull/18238 (Patch, Issue Tracking)
- github.com/Budibase/budibase/commit/f0c731b409a96e401445a6a6030d2994ff4ac256 (Patch)
- github.com/Budibase/budibase/releases/tag/3.33.4 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-35216?
- CVE-2026-35216 is a critical-severity vulnerability in Budibase, classified under OS Command Injection. CVSS score: 9.0/10. Published 2026-04-03.
- How severe is CVE-2026-35216?
- Critical severity. CVSS v3 base score is 9.0 out of 10.