CVE-2026-45548 Budibase: SSRF in AI Extract File Automation Step via Missing IP Blacklist Validation
Authenticated users can exploit missing IP validation in AI file extraction to perform server-side requests to internal networks.
- 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-2026-45548?
CVE-2026-45548 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 3.34.8, the processUrlFile function in packages/server/src/automations/steps/ai/extract.ts uses fetch(fileUrl) directly without the IP blacklist validation that is consistently applied to all other automation steps. This allows an authenticated user to trigger server-side requests to internal network addresses. This vulnerability is fixed in 3.34.8.
Weakness: CWE-918
Which versions are affected by CVE-2026-45548?
2 open source packages ship an affected version, including @budibase/server.
| Package | Affected | Fixed in |
|---|---|---|
@budibase/server npm | All versions | 3.34.8 |
@budibase/server npm | All versions | 3.34.8 |
How do I fix CVE-2026-45548?
Upgrade @budibase/server to 3.34.8 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-45548 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-45548 exists.
Sources
Also known as GHSA-rpj4-7x2v-wjrf.