CVE-2026-67311

MEDIUM

Budibase before 3.38.1 SSRF Blacklist Bypass via HTTP Redirect

Title source: cna
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-86f3-cqpq-wp9m)
https://github.com/Budibase/budibase/security/advisories/GHSA-86f3-cqpq-wp9m
Third Party Advisory third-party-advisory
VulnCheck Advisory: Budibase before 3.38.1 SSRF Blacklist Bypass via HTTP Redirect
https://www.vulncheck.com/advisories/budibase-before-ssrf-blacklist-bypass-via-http-redirect

Scores

CVSS v3 6.8
EPSS 0.0026
EPSS Percentile 17.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (2)
Budibase/budibase < 3.38.1
Budibase/budibase 3.38.1
Published Aug 01, 2026
Tracked Since Aug 01, 2026