# CVE-2026-126795: ToolJet Onboarding Signup Endpoint util.service.ts activateUserWithPassword missing authentication

Status: published. Published: 2026-11-12. Updated: 2026-11-12.

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.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/ToolJet/ToolJet/pull/18851
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/ToolJet/ToolJet/commit/af8f17a745621ae418f1743440f63d315e8b8643
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/ToolJet/ToolJet/releases/tag/v3.21.94-beta

## Affected products and versions

- n/a / ToolJet: 3.20.256-lts (affected); 3.21.93-beta (affected); 3.21.94-beta (unaffected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 7.3 (high); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 7.5 (high); AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-306, CWE-287

## Exploit evidence

- exploit: https://github.com/ToolJet/ToolJet/security/advisories/GHSA-rrx6-r9rr-g396 (CNA: VulDB)

## References

- https://vuldb.com/vuln/435971 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/435971/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-126795 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/996374 (CNA: VulDB; third-party-advisory)

- https://github.com/ToolJet/ToolJet/security/advisories/GHSA-rrx6-r9rr-g396 (CNA: VulDB; exploit)

- https://github.com/ToolJet/ToolJet/pull/18851 (CNA: VulDB; issue-tracking, patch)

- https://github.com/ToolJet/ToolJet/commit/af8f17a745621ae418f1743440f63d315e8b8643 (CNA: VulDB; patch)

- https://github.com/ToolJet/ToolJet/releases/tag/v3.21.94-beta (CNA: VulDB; patch)

- https://github.com/ToolJet/ToolJet/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-126795; retrieved 2026-11-12; source updated 2026-11-12

Revision: 9622718a214d036e2953c78c7cbf0fbe4f81ce3b05bf822cb93288c2a00ee70d

Canonical: https://y2.dev/cve/CVE-2026-126795

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