---
title: "github.com/zitadel/zitadel — CVE-2026-56668"
description: "An authentication bypass flaw affects the Go package github.com/zitadel/zitadel. Affected versions: < 4.15.3. Fixed from version 4.15.3. CVSS score 8.1."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-14-cve-2026-56668
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-14
dateModified: 2026-09-14
---
# github.com/zitadel/zitadel — CVE-2026-56668

An authentication bypass flaw affects the Go package github.com/zitadel/zitadel. Affected versions: < 4.15.3. Fixed from version 4.15.3. CVSS score 8.1.

## What to do

Update github.com/zitadel/zitadel to 4.15.3 or later.

| Fact | Value |
| --- | --- |
| Package | github.com/zitadel/zitadel |
| Ecosystem | Go modules |
| Class | Authentication bypass |
| Affected versions | < 4.15.3 |
| Fixed version | 4.15.3 |
| CVSS | 8.1 |
| CVE | CVE-2026-56668 |
| GHSA | GHSA-vrh8-c9cm-wh8v |
| Published on | September 14, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-vrh8-c9cm-wh8v](https://github.com/advisories/GHSA-vrh8-c9cm-wh8v) — GitHub Security Advisories
- [NVD — CVE-2026-56668](https://nvd.nist.gov/vuln/detail/CVE-2026-56668) — NVD

---

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