CVE-2026-126795: Auth Bypass (CVSS 7.3)

Description

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.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0049

Probability of exploitation

0.42%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-287 Improper Authentication

CWE-306 Missing Authentication

References

Other References

https://github.com/ToolJet/ToolJet/ https://github.com/ToolJet/ToolJet/commit/af8f17a745621ae418f1743440f63d315e8b8643 https://github.com/ToolJet/ToolJet/pull/18851 https://github.com/ToolJet/ToolJet/releases/tag/v3.21.94-beta https://github.com/ToolJet/ToolJet/security/advisories/GHSA-rrx6-r9rr-g396 https://vuldb.com/cve/CVE-2026-126795 https://vuldb.com/submit/996374 https://vuldb.com/vuln/435971 https://vuldb.com/vuln/435971/cti

Frequently Asked Questions

What is CVE-2026-126795? +

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-126795? +

CVE-2026-126795 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0049, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-126795? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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