---
cve: "CVE-2026-67311"
severity: "HIGH"
cvss: 8.2
epss: "26%"
vendor: "budibase"
kev: false
exploited: false
published: "2026-08-01 12:22:18"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T03:59:22+02:00"
---

# CVE-2026-67311

> 8.2 HIGH · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 56e19b8afb765927f5b733377ab1eb8dc0d36ed0 (Commit)

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-67311) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_