CVE-2026-35216
Budibase: Unauthenticated Remote Code Execution via Webhook Trigger and Bash Automation Step
Description
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.
INFO
Published Date :
April 3, 2026, 4:16 p.m.
Last Modified :
April 8, 2026, 9:19 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update Budibase to version 3.33.4 or later.
- Ensure automation Bash steps are not exposed publicly.
- Review webhook endpoint security configurations.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-35216.
| URL | Resource |
|---|---|
| https://github.com/Budibase/budibase/commit/f0c731b409a96e401445a6a6030d2994ff4ac256 | Patch |
| https://github.com/Budibase/budibase/pull/18238 | Issue Tracking Patch |
| https://github.com/Budibase/budibase/releases/tag/3.33.4 | Product Release Notes |
| https://github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf | Exploit Vendor Advisory |
| https://github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf | Exploit Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-35216 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-35216
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-35216 vulnerability anywhere in the article.
-
Daily CyberSecurity
Budibase Patches Critical RCE and SSRF Vulnerabilities
Budibase, the popular open-source low-code platform used by engineers to rapidly build internal tools, has released urgent security patches to address two critical vulnerabilities. The flaws, which in ... Read more
The following table lists the changes that have been made to the
CVE-2026-35216 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 08, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:budibase:budibase:*:*:*:*:*:*:*:* versions up to (excluding) 3.33.4 Added Reference Type GitHub, Inc.: https://github.com/Budibase/budibase/commit/f0c731b409a96e401445a6a6030d2994ff4ac256 Types: Patch Added Reference Type GitHub, Inc.: https://github.com/Budibase/budibase/pull/18238 Types: Issue Tracking, Patch Added Reference Type GitHub, Inc.: https://github.com/Budibase/budibase/releases/tag/3.33.4 Types: Product, Release Notes Added Reference Type CISA-ADP: https://github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf Types: Exploit, Vendor Advisory Added Reference Type GitHub, Inc.: https://github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf Types: Exploit, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 03, 2026
Action Type Old Value New Value Added Reference https://github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf -
New CVE Received by [email protected]
Apr. 03, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-78 Added Reference https://github.com/Budibase/budibase/commit/f0c731b409a96e401445a6a6030d2994ff4ac256 Added Reference https://github.com/Budibase/budibase/pull/18238 Added Reference https://github.com/Budibase/budibase/releases/tag/3.33.4 Added Reference https://github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf