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CVE-2026-82243— Budibase Server before 3.41.3 SSRF with Credential Leakage

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 Server 在 3.41.3 之前的版本中，其数据源验证（verify）接口存在服务端请求伪造（SSRF）漏洞，该漏洞允许构建者（Builder）级别的任意用户在不经过 SSRF 验证的情况下提交任意 URL。攻击者可利用该漏洞向攻击者控制的服务器发起请求，从而泄露内部 CouchDB 凭据，进而在云部署环境中获得对数据库的完全访问权限。

CVSS 7.6 · High
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I. Basic Information for CVE-2026-82243

Vulnerability Information
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Vulnerability Title
Budibase Server before 3.41.3 SSRF with Credential Leakage
Source: CVE Program / CVE List V5
Vulnerability Description
Budibase Server before 3.41.3 contains a server-side request forgery vulnerability in the datasource verify endpoint that allows builder-level users to supply arbitrary URLs without SSRF validation. Attackers can exploit this to leak internal CouchDB credentials by making requests to attacker-controlled servers, gaining full database access in cloud deployments.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
budibase server 0 ~ 3.41.3 -

II. Public POCs for CVE-2026-82243

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III. Intelligence Information for CVE-2026-82243

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Vendor Advisories for CVE-2026-82243 (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-2026-82239 8.1 HIGH Budibase before 3.41.3 Authorization Bypass via datasources/query
CVE-2026-82242 7.7 HIGH Budibase before 3.41.3 Cross-Application Resource Injection via Missing Authorization
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-918

V. Comments for CVE-2026-82243

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