---
id: CVE-2026-67311
title: >-
  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
summary: >-
  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
  po…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N'
cwe:
  - CWE-918
published: '2026-08-01'
updated: '2026-08-01'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-67311'
references:
  - url: >-
      https://github.com/Budibase/budibase/security/advisories/GHSA-86f3-cqpq-wp9m
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/budibase-before-ssrf-blacklist-bypass-via-http-redirect
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-08-02T07:18:01.745Z'
epss: 0.00416
epssPercentile: 0.33329
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.