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CVE-2026-72855— Budibase before 3.40.0 DNS Rebinding SSRF via OpenAPI and REST

CVSS 8.5 · High
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I. Basic Information for CVE-2026-72855

Vulnerability Information
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Vulnerability Title
Budibase before 3.40.0 DNS Rebinding SSRF via OpenAPI and REST
Source: CVE Program / CVE List V5
Vulnerability Description
Budibase before 3.40.0 contains server-side request forgery vulnerabilities in OpenAPI query import and REST query execution that allow authenticated builder-level users to bypass DNS pinning protections through DNS rebinding attacks. Attackers can configure hostnames that resolve to public addresses during validation but resolve to loopback or private addresses during actual connection, allowing access to blocked internal HTTP services.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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

VendorProductAffected VersionsCPESubscribe
budibaseserver 0 ~ 3.40.0 -

II. Public POCs for CVE-2026-72855

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7593 chars
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III. Intelligence Information for CVE-2026-72855

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Vendor Advisories for CVE-2026-72855 (2)

Same Patch Batch · budibase · 2026-08-13 · 13 CVEs total

CVE-2026-7285110.0 CRITICALBudibase before 3.40.0 SQL Injection via Unauthenticated Webhook
CVE-2026-728509.1 CRITICALBudibase before 3.40.0 Arbitrary File Write via Path Traversal
CVE-2026-733029.0 CRITICALBudibase: OIDC SSO account takeover: incoming identity linked by email without checking em
CVE-2026-733058.8 HIGHBudibase: Privilege escalation via public role assignment API missing app-level authorizat
CVE-2026-736188.3 HIGHBudibase Server before 3.40.0 NoSQL Injection via JSON Parameter
CVE-2026-728568.1 HIGHBudibase before 3.40.0 Authentication Bypass via Tenant Owner Email
CVE-2026-728577.7 HIGHBudibase before 3.40.0 Credential Exposure via STRING Fields
CVE-2026-728497.7 HIGHBudibase before 3.40.0 Identity Confusion via Chat-Link Handoff CSRF
CVE-2026-728537.6 HIGHBudibase before 3.40.0 SQL Injection via Oracle connector
CVE-2026-734087.6 HIGHBudibase: MySQL DESCRIBE Backtick Injection via multipleStatements in Database Connector
CVE-2026-736177.1 HIGHBudibase before 3.40.0 NoSQL Injection via MongoDB datasource
CVE-2026-733044.9 MEDIUMBudibase: SSO OAuth2 Token Leakage via User Metadata Endpoints to Power-Role Users

IV. Related Vulnerabilities

Same product: server
Same vendor: budibase
Same weakness: CWE-918

V. Comments for CVE-2026-72855

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