CVE-2026-86120 APITable through 1.13.0-beta.1 Fail-Open Authorization in the Fusion API Node Permission Guard
Attackers with valid tokens can write attachments to private datasheets due to fail-open authorization in the NodePermissionGuard.
- 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-2026-86120?
CVE-2026-86120 is a medium-severity missing authorization vulnerability in apitable, published on 5 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
APITable through 1.13.0-beta.1 contains an incorrect authorization vulnerability in NodePermissionGuard that fails to enforce node-level access control when permission lookups throw exceptions. Attackers with valid Fusion API tokens can write attachments to private datasheets they have been explicitly denied access to by exploiting the unhandled exception in the permission guard.
Weakness: CWE-636
Which versions are affected by CVE-2026-86120?
How do I fix CVE-2026-86120?
No fix has been published for CVE-2026-86120 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-86120 being exploited?
There is no known exploitation of CVE-2026-86120 in the wild and no public exploit code.
Sources
Also known as GHSA-9r64-6j93-9769.