---
title: "lightrag-hku — CVE-2026-85734"
description: "An authentication bypass flaw affects the PyPI package lightrag-hku. Affected versions: < 1.5.5. Fixed from version 1.5.5. CVSS score 9.1."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-22-cve-2026-85734
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-22
dateModified: 2026-09-22
---
# lightrag-hku — CVE-2026-85734

An authentication bypass flaw affects the PyPI package lightrag-hku. Affected versions: < 1.5.5. Fixed from version 1.5.5. CVSS score 9.1.

## What to do

Update lightrag-hku to 1.5.5 or later.

| Fact | Value |
| --- | --- |
| Package | lightrag-hku |
| Ecosystem | PyPI (Python) |
| Class | Authentication bypass |
| Affected versions | < 1.5.5 |
| Fixed version | 1.5.5 |
| CVSS | 9.1 |
| CVE | CVE-2026-85734 |
| GHSA | GHSA-frch-4w6v-q5xx |
| Published on | September 22, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-frch-4w6v-q5xx](https://github.com/advisories/GHSA-frch-4w6v-q5xx) — GitHub Security Advisories
- [NVD — CVE-2026-85734](https://nvd.nist.gov/vuln/detail/CVE-2026-85734) — NVD

---

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