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

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

- **Severity:** High 7.0 (`CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 Aug 2026
- **Updated:** 17 Sep 2026
- **Also known as:** GHSA-9fvx-4ww2-hqm9

## 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 (Authorization Bypass Through User-Controlled Key)

## 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.

## Is CVE-2026-82870 being exploited?

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

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-82870 and fix it if it is affected.

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

Affected product: ToolJet. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-82870/ (Markdown: https://insights.sbomify.com/CVE-2026-82870/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-82870
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-82870
- OSV: https://osv.dev/vulnerability/CVE-2026-82870

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-82870/
Summaries are generated and may contain mistakes; the official description above is the record.