CVE-2026-100680 Budibase before 3.45.0 Arbitrary Local File Read via OpenAPI Import
Authenticated builders can read arbitrary local files via OpenAPI import, exposing sensitive credentials and secrets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100680?
CVE-2026-100680 is a high-severity path traversal vulnerability in budibase server, published on 26 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Budibase versions before 3.45.0 fail to disable external JSON reference resolution in the OpenAPI/Swagger import validator, allowing authenticated builders to read arbitrary local files. Attackers with builder access can embed file:// references in OpenAPI specifications submitted to the import endpoint to exfiltrate sensitive files including environment variables containing JWT secrets, API keys, and database credentials.
Weakness: CWE-200
Which versions are affected by CVE-2026-100680?
How do I fix CVE-2026-100680?
No fix has been published for CVE-2026-100680 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-100680 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100680 exists.
Sources
Also known as GHSA-8xr5-pggf-26jq, GHSA-fc2x-q7pq-fp49.