---
title: "@backstage/plugin-auth-backend-module-oidc-provider — CVE-2026-106488"
description: "An authentication bypass flaw affects the npm package @backstage/plugin-auth-backend-module-oidc-provider. Affected versions: < 0.4.20. Fixed from version 0.4.20. CVSS score 8.1."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-07-cve-2026-106488
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-07
dateModified: 2026-10-07
---
# @backstage/plugin-auth-backend-module-oidc-provider — CVE-2026-106488

An authentication bypass flaw affects the npm package @backstage/plugin-auth-backend-module-oidc-provider. Affected versions: < 0.4.20. Fixed from version 0.4.20. CVSS score 8.1.

## What to do

Update @backstage/plugin-auth-backend-module-oidc-provider to 0.4.20 or later.

| Fact | Value |
| --- | --- |
| Package | @backstage/plugin-auth-backend-module-oidc-provider |
| Ecosystem | npm (JavaScript) |
| Class | Authentication bypass |
| Affected versions | < 0.4.20 |
| Fixed version | 0.4.20 |
| CVSS | 8.1 |
| CVE | CVE-2026-106488 |
| GHSA | GHSA-826h-28h9-65hg |
| Published on | October 7, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-826h-28h9-65hg](https://github.com/advisories/GHSA-826h-28h9-65hg) — GitHub Security Advisories
- [NVD — CVE-2026-106488](https://nvd.nist.gov/vuln/detail/CVE-2026-106488) — NVD

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