CVE-2026-67311

8.2 highEPSS 0.4%

High (8.2). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.2 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

CVSS 3.1

6.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2026-08-01
Modified: 2026-08-31
Record from: the NVD, synced 2026-10-19

References

https://github.com/Budibase/budibase/security/advisories/GHSA-86f3-cqpq-wp9m
https://www.vulncheck.com/advisories/budibase-before-ssrf-blacklist-bypass-via-http-redirect
https://github.com/Budibase/budibase/security/advisories/GHSA-86f3-cqpq-wp9m

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