CVE-2026-48148 Budibase: Unvalidated VectorDB Host Parameter Enables SSRF
Authenticated builders can trigger server-side requests to internal IPs or cloud metadata via unvalidated VectorDB host parameters, risking data exposure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-48148?
CVE-2026-48148 is a medium-severity server-side request forgery vulnerability in budibase, published on 27 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Budibase is an open-source low-code platform. Prior to 3.35.3, the VectorDB configuration endpoint in Budibase accepts a host parameter that undergoes no validation against internal IP ranges, reserved hostnames, or URL schemes. Any authenticated user with builder-level access can supply an arbitrary host value such as 169.254.169.254 or localhost, causing the server to initiate outbound TCP connections to internal network addresses or cloud metadata endpoints on their behalf.This vulnerability is fixed in 3.35.3.
Weakness: CWE-918
Which versions are affected by CVE-2026-48148?
2 open source packages ship an affected version, including @budibase/server.
| Package | Affected | Fixed in |
|---|---|---|
@budibase/server npm | All versions | 3.35.3 |
@budibase/server npm | All versions | 3.35.3 |
How do I fix CVE-2026-48148?
Upgrade @budibase/server to 3.35.3 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-48148 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-48148 exists.
Sources
Also known as GHSA-cv96-5348-p5p8.