CVE-2026-118685 ToolJet 3.20.2-lts before 3.20.242-lts Signup Bypass via SignupDisableGuard

Medium 6.9 Published 28 Oct 2026 Updated 28 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-118685?

CVE-2026-118685 is a medium-severity vulnerability in ToolJet, published on 28 Oct 2026.

Official description

ToolJet from 3.20.2-lts before 3.20.242-lts contains an authorization bypass in SignupDisableGuard, which treats the string signup setting 'false' as truthy, so instance-level signup restrictions are not enforced. Unauthenticated attackers can send POST requests to /api/signup without an organizationId to create an account, join the default workspace, and receive a valid session.

Weakness: CWE-863

Which versions are affected by CVE-2026-118685?

How do I fix CVE-2026-118685?

No fix has been published for CVE-2026-118685 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-118685 being exploited?

There is no known exploitation of CVE-2026-118685 in the wild and no public exploit code.

Sources

Also known as GHSA-98fp-fq2v-fr4p, GHSA-gwr6-mv6v-23f2.