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CVE-2026-35214— Budibase: Path traversal in plugin file upload enables arbitrary directory deletion and file write

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之前版本存在路径遍历漏洞，该漏洞源于插件文件上传端点缺少路径遍历序列清理，可能导致具有全局构建者权限的攻击者删除或写入任意文件。

CVSS 8.7 · High EPSS 0.65% · P49
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I. Basic Information for CVE-2026-35214

Vulnerability Information
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Vulnerability Title
Budibase: Path traversal in plugin file upload enables arbitrary directory deletion and file write
Source: CVE Program / CVE List V5
Vulnerability Description
Budibase is an open-source low-code platform. Prior to version 3.33.4, the plugin file upload endpoint (POST /api/plugin/upload) passes the user-supplied filename directly to createTempFolder() without sanitizing path traversal sequences. An attacker with Global Builder privileges can craft a multipart upload with a filename containing ../ to delete arbitrary directories via rmSync and write arbitrary files via tarball extraction to any filesystem path the Node.js process can access. This issue has been patched in version 3.33.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Budibase 路径遍历漏洞
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之前版本存在路径遍历漏洞，该漏洞源于插件文件上传端点缺少路径遍历序列清理，可能导致具有全局构建者权限的攻击者删除或写入任意文件。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Budibase budibase < 3.33.4 -

II. Public POCs for CVE-2026-35214

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7889 chars
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III. Intelligence Information for CVE-2026-35214

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Patches & Fixes for CVE-2026-35214 (1)

Vendor Advisories for CVE-2026-35214 (1)

Vendor Pages for CVE-2026-35214 (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-2026-35216 9.1 CRITICAL Budibase: Unauthenticated Remote Code Execution via Webhook Trigger and Bash Automation St
CVE-2026-35218 8.7 HIGH Budibase: Stored XSS via unsanitized entity names rendered with {@html} in Builder Command
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-22

V. Comments for CVE-2026-35214

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