CVE-2026-82240 Budibase before 3.41.3 Privilege Escalation via User Update API
Authenticated builders can escalate privileges to access unrelated applications by manipulating user update API requests.
- 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-2026-82240?
CVE-2026-82240 is a high-severity vulnerability in budibase server, published on 28 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Budibase before 3.41.3 fails to validate app-scoped builder role assignments in the public user create and update endpoints, allowing an authenticated app-scoped builder to grant builder access to unrelated apps. Attackers can submit crafted requests to the user update API with builder.apps fields to escalate privileges and gain unauthorized builder access to other applications in the same tenant.
Weakness: CWE-862
Which versions are affected by CVE-2026-82240?
How do I fix CVE-2026-82240?
No fix has been published for CVE-2026-82240 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-82240 being exploited?
There is no known exploitation of CVE-2026-82240 in the wild and no public exploit code.
Sources
Also known as GHSA-468g-55qj-v8rr, GHSA-5rjh-3pcf-8j5r.