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

Quick assessment

Affected
Budibase budibase
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Budibase是英国Budibase开源的一个用于在几分钟内创建内部应用程序、工作流和管理面板的低代码平台。 Budibase 3.33.4之前版本存在安全漏洞，该漏洞源于未经验证的攻击者可通过公共webhook端点触发自动化，可能导致远程代码执行。

CVSS 9.1 · Critical EPSS 1.17% · P66

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-35216

Vulnerability Information
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Vulnerability Title
Budibase: Unauthenticated Remote Code Execution via Webhook Trigger and Bash Automation Step
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Budibase 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Budibase是英国Budibase开源的一个用于在几分钟内创建内部应用程序、工作流和管理面板的低代码平台。 Budibase 3.33.4之前版本存在安全漏洞，该漏洞源于未经验证的攻击者可通过公共webhook端点触发自动化，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Budibase budibase < 3.33.4 -

II. Public POCs for CVE-2026-35216

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10496 chars
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III. Intelligence Information for CVE-2026-35216

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Patches & Fixes for CVE-2026-35216 (2)

Vendor Advisories for CVE-2026-35216 (1)

Vendor Pages for CVE-2026-35216 (1)

Same Patch Batch · Budibase · 2026-04-03 · 6 CVEs total

CVE-2026-31818 9.6 CRITICAL Budibase: Server-Side Request Forgery via REST Connector with Empty Default Blacklist
CVE-2026-35218 8.7 HIGH Budibase: Stored XSS via unsanitized entity names rendered with {@html} in Builder Command
CVE-2026-35214 8.7 HIGH Budibase: Path traversal in plugin file upload enables arbitrary directory deletion and fi
CVE-2026-25043 5.3 MEDIUM Budibase: Unauthenticated Password Reset Endpoint Lacks Rate Limiting, Enabling Email Floo
CVE-2026-25044 Budibase: Command Injection in Bash Automation Step

IV. Related Vulnerabilities

Same product: budibase
Same vendor: Budibase
Same weakness: CWE-78

V. Comments for CVE-2026-35216

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