---
title: "open-webui — CVE-2026-87011"
description: "A denial of service flaw affects the PyPI package open-webui. Affected versions: >= 0.9.0, <= 0.11.0. Fixed from version 0.11.1. CVSS score 7.5."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-10-cve-2026-87011
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-10
dateModified: 2026-09-10
---
# open-webui — CVE-2026-87011

A denial of service flaw affects the PyPI package open-webui. Affected versions: >= 0.9.0, <= 0.11.0. Fixed from version 0.11.1. CVSS score 7.5.

## What to do

Update open-webui to 0.11.1 or later.

| Fact | Value |
| --- | --- |
| Package | open-webui |
| Ecosystem | PyPI (Python) |
| Class | Denial of service |
| Affected versions | >= 0.9.0, <= 0.11.0 |
| Fixed version | 0.11.1 |
| CVSS | 7.5 |
| CVE | CVE-2026-87011 |
| GHSA | GHSA-3g9q-v48f-hh9w |
| Published on | September 10, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-3g9q-v48f-hh9w](https://github.com/advisories/GHSA-3g9q-v48f-hh9w) — GitHub Security Advisories
- [NVD — CVE-2026-87011](https://nvd.nist.gov/vuln/detail/CVE-2026-87011) — NVD

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