CVE-2026-45715 Budibase: SSRF Bypass via HTTP Redirect in REST Datasource Integration
An authenticated Builder can bypass IP restrictions via HTTP redirects to access internal services in Budibase.
- 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-2026-45715?
CVE-2026-45715 is a high-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 3.38.1, the REST datasource integration (packages/server/src/integrations/rest.ts) follows HTTP redirects without re-checking the IP blacklist, allowing an authenticated Builder to access internal services (cloud metadata, databases) by redirecting through an attacker-controlled server. This vulnerability is fixed in 3.38.1.
Weakness: CWE-918
Which versions are affected by CVE-2026-45715?
2 open source packages ship an affected version, including @budibase/server.
| Package | Affected | Fixed in |
|---|---|---|
@budibase/server npm | All versions | 3.38.1 |
@budibase/server npm | All versions | 3.38.1 |
How do I fix CVE-2026-45715?
Upgrade @budibase/server to 3.38.1 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-45715 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-45715 exists.
Sources
Also known as GHSA-fgqv-jh4g-pvg2.