TI-2026-27369 Aliases CVE-2026-35216 GHSA-fcm4-4pj2-m5hf

Budibase: Unauthenticated Remote Code Execution via Webhook Trigger and Bash Automation Step

HIGH 74CWE-78Published 2026-04-03 · Updated 2026-04-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-78.

Summary

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 it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.10904 95th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed budibase (Budibase): 3.33.4@budibase/server (npm): 3.33.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Budibase	budibase	before 3.33.4	3.33.4	Patch available	CNA
—	@budibase/server (npm)	before 3.33.4	3.33.4	Patch available	GHSA-fcm4-4pj2-m5hf

budibase VendorBudibase Affected before 3.33.4 Fixed in 3.33.4 Patch available CNA
@budibase/server (npm) Vendor— Affected before 3.33.4 Fixed in 3.33.4 Patch available GHSA-fcm4-4pj2-m5hf

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:budibase:budibase::::::::	before 3.33.4	Vulnerable	Budibase

cpe:2.3:a:budibase:budibase:*:*:*:*:*:*:*:* Versions before 3.33.4 Vulnerable ·Budibase

Remediation

Fix · CNA budibase (Budibase) Fixed in 3.33.4
Fix · GHSA-fcm4-4pj2-m5hf @budibase/server (npm) Fixed in 3.33.4 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-35216
2026-10-03 Alias added: GHSA-fcm4-4pj2-m5hf
2026-10-25 EPSS moved to the 95th–99th percentile

References

Exploit 1

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

Patch 2

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-35216

Other 2

TI-2026-39242 Budibase: Anonymous NoSQL operator injection via published-app query templates CVSS 3.1CRITICAL 10.0
TI-2026-24369 Budibase Universal Auth Bypass via Webhook Query Param Injection CVSS 3.1CRITICAL 9.1
TI-2026-39244 Budibase: Arbitrary file read by workspace-builder via PWA-zip symlink upload CVSS 3.1CRITICAL 9.6
TI-2026-39243 Budibase: Mass Assignment in Webhook Trigger Allows Cross-Workspace Automation Execution via appId Override CVSS 3.1CRITICAL 9.6
TI-2026-24371 Budibase: Server-Side Request Forgery via REST Connector with Empty Default Blacklist CVSS 3.1CRITICAL 9.9
TI-2026-23473 Budibase PWA ZIP Upload Path Traversal Allows Reading Arbitrary Server Files Including All Environment Secrets CVSS 3.1CRITICAL 9.6

See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences