Vulnerability · Published Aug 31, 2026 · Assigned by VulnCheck

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

Critical 9.6

In plain English

A critical-severity authorization bypass via user-controlled key in ToolJet from ToolJet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)9.6Critical

Exploit odds (30 days)0.4%top 62.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
ToolJet	ToolJet	0 – before 3.16.208

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

References

GitHub Security Advisory (GHSA-xr3w-r926-xfmm) vendor-advisory
VulnCheck Advisory: ToolJet before v3.16.208 Cross-Tenant Database Manipulation third-party-advisory