---
title: "github.com/perses/perses — CVE-2026-63199"
description: "An authentication bypass flaw affects the Go package github.com/perses/perses. Affected versions: >= 0.43.0, < 0.54.0-rc.0. Fixed from version 0.54.0-rc.0."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-18-cve-2026-63199
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-18
dateModified: 2026-09-18
---
# github.com/perses/perses — CVE-2026-63199

An authentication bypass flaw affects the Go package github.com/perses/perses. Affected versions: >= 0.43.0, < 0.54.0-rc.0. Fixed from version 0.54.0-rc.0.

## What to do

Update github.com/perses/perses to 0.54.0-rc.0 or later.

| Fact | Value |
| --- | --- |
| Package | github.com/perses/perses |
| Ecosystem | Go modules |
| Class | Authentication bypass |
| Affected versions | >= 0.43.0, < 0.54.0-rc.0 |
| Fixed version | 0.54.0-rc.0 |
| CVE | CVE-2026-63199 |
| GHSA | GHSA-4227-9989-jrhx |
| Published on | September 18, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-4227-9989-jrhx](https://github.com/advisories/GHSA-4227-9989-jrhx) — GitHub Security Advisories
- [NVD — CVE-2026-63199](https://nvd.nist.gov/vuln/detail/CVE-2026-63199) — NVD

---

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