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CVE-2026-27702
February 25, 2026
Budibase is a low code platform for creating internal tools, workflows, and admin panels. Prior to version 3.30.4, an unsafe "eval()" vulnerability in Budibase's view filtering implementation allows any authenticated user (including free tier accounts) to execute arbitrary JavaScript code on the server. This vulnerability ONLY affects Budibase Cloud (SaaS) - self-hosted deployments use native CouchDB views and are not vulnerable. The vulnerability exists in "packages/server/src/db/inMemoryView.ts" where user-controlled view map functions are directly evaluated without sanitization. The primary impact comes from what lives inside the pod's environment: the "app-service" pod runs with secrets baked into its environment variables, including "INTERNAL_API_KEY", "JWT_SECRET", CouchDB admin credentials, AWS keys, and more. Using the extracted CouchDB credentials, we verified direct database access, enumerated all tenant databases, and confirmed that user records (email addresses) are readable. Version 3.30.4 contains a patch.
Affected Packages
https://github.com/Budibase/budibase.git (GITHUB):
Affected version(s) >=0.0.999-alpha.11 <3.30.4
Fix Suggestion:
Update to version 3.30.4
https://github.com/Budibase/budibase.git (GITHUB):
Affected version(s) >=0.0.999-alpha.11 <3.30.4
Fix Suggestion:
Update to version 3.30.4
https://github.com/Budibase/budibase.git (GITHUB):
Affected version(s) >=0.0.999-alpha.11 <3.30.4
Fix Suggestion:
Update to version 3.30.4
https://github.com/Budibase/budibase.git (GITHUB):
Affected version(s) >=0.0.999-alpha.11 <3.30.4
Fix Suggestion:
Update to version 3.30.4
@budibase/server (NPM):
Affected version(s) >=0.0.1 <3.30.4
Fix Suggestion:
Update to version 3.30.4
@budibase/server (NPM):
Affected version(s) >=0.0.1 <3.30.4
Fix Suggestion:
Update to version 3.30.4
@budibase/server (NPM):
Affected version(s) >=0.0.1 <3.30.4
Fix Suggestion:
Update to version 3.30.4
@budibase/server (NPM):
Affected version(s) >=0.0.1 <3.30.4
Fix Suggestion:
Update to version 3.30.4
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CVSS v4
Base Score:
9.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
LOW
CVSS v3
Base Score:
9.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Improper Control of Generation of Code ('Code Injection')
Improper Input Validation
EPSS
Base Score:
0.07