CVE-2026-82870 ToolJet before v3.16.208 Cross-Tenant Database Manipulation

High 7.0 Published Updated

Builder-role users can manipulate other organizations' databases due to missing ownership validation in write and destroy routes.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-82870?

CVE-2026-82870 is a high-severity missing authorization vulnerability in ToolJet, published on 31 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

ToolJet before v3.16.208 fails to validate organizationId ownership in database write and destroy routes, allowing any builder-role user to create, alter, or drop tables in other organizations' databases. Attackers can exploit missing organization-resolving guards to permanently delete tables, insert arbitrary data, and modify schemas across tenant boundaries on shared instances.

Weakness: CWE-639

Which versions are affected by CVE-2026-82870?

How do I fix CVE-2026-82870?

No fix has been published for CVE-2026-82870 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-2026-82870 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82870 exists.

Sources

Also known as GHSA-9fvx-4ww2-hqm9.

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