What’s Vulnerable › Vulnerabilities

CVE-2026-35216: Budibase: Unauthenticated Remote Code Execution via Webhook Trigger and Bash Automation Step

• Severity: critical (CVSS 9.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 10.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-03 · updated 2026-10-06
• Weakness: CWE-78

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.

Affected products

• budibase: before 3.33.4 — fixed in 3.33.4

How to fix

Upgrade to a fixed version: budibase 3.33.4. Check the vendor advisory for mitigations.

References

• https://github.com/Budibase/budibase/commit/f0c731b409a96e401445a6a6030d2994ff4ac256
• https://github.com/Budibase/budibase/pull/18238
• https://github.com/Budibase/budibase/releases/tag/3.33.4
• https://github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf
• https://github.com/Budibase/budibase/security/advisories/GHSA-fcm4-4pj2-m5hf

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