CVE-2026-67311
Published:August 01, 2026
Updated:August 04, 2026
Budibase before 3.38.1 contains a server-side request forgery vulnerability in the REST datasource integration that fails to validate HTTP redirects against the IP blacklist. Attackers with Builder role can configure a REST datasource pointing to an external server that returns a redirect to internal IP addresses, bypassing blacklist protection to access cloud metadata endpoints and internal services.
Affected Packages
https://github.com/Budibase/budibase.git (GITHUB):
Affected version(s) >=csp-3.23.35 <3.38.1Fix Suggestion:
Update to version 3.38.1@budibase/backend-core (NPM):
Affected version(s) >=0.0.1 <3.38.1Fix Suggestion:
Update to version 3.38.1@budibase/server (NPM):
Affected version(s) >=0.0.0 <3.38.1Fix Suggestion:
Update to version 3.38.1Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
EPSS
Base Score:
0.26