CVE-2026-67311
Budibase before 3.38.1 SSRF Blacklist Bypass via HTTP Redirect
- State
- Published
- Severity
- 8.2 High
- Published
- Aug 1, 2026
- Updated
- Aug 3, 2026
- Reserved
- Jul 29, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 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 | VulnCheck |
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
budibaseBudibase |
|
References
- GitHub Security Advisory (GHSA-86f3-cqpq-wp9m)vendor-advisory
- VulnCheck Advisory: Budibase before 3.38.1 SSRF Blacklist Bypass via HTTP Redirectthird-party-advisory
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