---
id: "CVE-2026-126795"
page: "https://infrastack.ai/live/CVE-2026-126795"
kind: "vulnerability"
aliases: ["CVE-2026-126795"]
title: "ToolJet: onboarding signup flaw lets remote attackers skip authentication"
severity: "high"
cvss: 7.5
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["runtime", "self-hosted", "tooljet"]
not_affected_if: ["unknown"]
published_at: "2026-11-12T03:17:11+00:00"
first_seen_at: "2026-11-12T03:46:13+00:00"
updated_at: "2026-11-12T03:47:48+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126795", "first_seen_at": "2026-11-12T03:46:13+00:00"}]
exploit_sources: []
---

# ToolJet: onboarding signup flaw lets remote attackers skip authentication

Link for people: https://infrastack.ai/live/CVE-2026-126795 (this .md is for agents)

ToolJet's onboarding signup endpoint mishandles the email argument in activateUserWithPassword, so authentication can be bypassed remotely. Per the description, an attacker can reach the endpoint over the internet and the exploit has been publicly disclosed.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the ToolJet version you run; versions up to `3.20.256-lts` and `3.21.93-beta` are affected.
- Review the onboarding signup endpoint in `server/src/modules/onboarding/util.service.ts` if you build from source.

## Fix

- Upgrade ToolJet to `3.21.94-beta` (per the description; the patch commit is af8f17a745621ae418f1743440f63d315e8b8643).
- Fixed version for the LTS line: unknown

## Timeline

- 2026-11-12T03:46:13+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-126795

## Documents

- [advisory] Vendor advisory: github.com https://github.com/ToolJet/ToolJet/security/advisories/GHSA-rrx6-r9rr-g396
- [fix] Patch: github.com https://github.com/ToolJet/ToolJet/commit/af8f17a745621ae418f1743440f63d315e8b8643
- [fix] Release notes: github.com https://github.com/ToolJet/ToolJet/releases/tag/v3.21.94-beta

## From the sources

A vulnerability was determined in ToolJet up to 3.20.256-lts/3.21.93-beta. The impacted element is the function activateUserWithPassword of the file server/src/modules/onboarding/util.service.ts of the component Onboarding Signup Endpoint. Executing a manipulation of the argument email can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 3.21.94-beta is sufficient to resolve this issue. This patch is called af8f17a745621ae418f1743440f63d315e8b8643. The affected component should be upgraded. The vendor was contacted early about this disclosure.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_