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CVE-2026-82239— Budibase before 3.41.3 Authorization Bypass via datasources/query

Quick assessment

Affected
budibase server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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公司开源的一个低代码应用开发平台。 Budibase 3.41.3之前版本存在授权问题漏洞，该漏洞源于对POST /api/datasources/query端点未执行按表角色限制，可能导致低权限BASIC用户读取、创建、更新或删除任何表中的行，绕过表级访问控制并操纵受限制的数据。

CVSS 8.1 · High EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services

Affected Version Matrix 2

VendorProduct Version RangeStatus
budibase server < 3.41.3 affected
3.41.3 unaffected
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I. Basic Information for CVE-2026-82239

Vulnerability Information
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Vulnerability Title
Budibase before 3.41.3 Authorization Bypass via datasources/query
Source: CVE Program / CVE List V5
Vulnerability Description
Budibase before 3.41.3 fails to enforce per-table role restrictions on the POST /api/datasources/query endpoint, allowing low-privilege BASIC users to read, create, update, or delete rows in any table regardless of configured permissions. Attackers with BASIC role can submit crafted query requests with target table identifiers to bypass table-level access controls and manipulate restricted data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Budibase 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Budibase是英国Budibase公司开源的一个低代码应用开发平台。 Budibase 3.41.3之前版本存在授权问题漏洞，该漏洞源于对POST /api/datasources/query端点未执行按表角色限制，可能导致低权限BASIC用户读取、创建、更新或删除任何表中的行，绕过表级访问控制并操纵受限制的数据。
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 server 0 ~ 3.41.3 -

II. Public POCs for CVE-2026-82239

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III. Intelligence Information for CVE-2026-82239

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Vendor Advisories for CVE-2026-82239 (2)

Same Patch Batch · budibase · 2026-08-28 · 8 CVEs total

CVE-2026-82244 9.1 CRITICAL Budibase before 3.41.3 Remote Code Execution via Plugin eval()
CVE-2026-82240 8.1 HIGH Budibase before 3.41.3 Privilege Escalation via User Update API
CVE-2026-82245 8.1 HIGH Budibase before 3.41.3 Missing Authorization License Management
CVE-2026-82242 7.7 HIGH Budibase before 3.41.3 Cross-Application Resource Injection via Missing Authorization
CVE-2026-82243 7.6 HIGH Budibase Server before 3.41.3 SSRF with Credential Leakage
CVE-2026-82246 7.1 HIGH Budibase Server before 3.41.3 SSRF via Query Import
CVE-2026-82241 7.1 HIGH Budibase backend-core SSRF via incomplete default blacklist

IV. Related Vulnerabilities

Same product: server
Same vendor: budibase
Same weakness: CWE-862

V. Comments for CVE-2026-82239

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