---
title: "github.com/getkin/kin-openapi — CVE-2026-100354"
description: "A security flaw affects the Go package github.com/getkin/kin-openapi. Affected versions: < 0.149.0. Fixed from version 0.149.0. CVSS score 7.5."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-15-cve-2026-100354
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-15
dateModified: 2026-10-15
---
# github.com/getkin/kin-openapi — CVE-2026-100354

A security flaw affects the Go package github.com/getkin/kin-openapi. Affected versions: < 0.149.0. Fixed from version 0.149.0. CVSS score 7.5.

## What to do

Update github.com/getkin/kin-openapi to 0.149.0 or later.

| Fact | Value |
| --- | --- |
| Package | github.com/getkin/kin-openapi |
| Ecosystem | Go modules |
| Class | Other |
| Affected versions | < 0.149.0 |
| Fixed version | 0.149.0 |
| CVSS | 7.5 |
| CVE | CVE-2026-100354 |
| GHSA | GHSA-g8cf-rcjf-c8cf |
| Published on | October 15, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-g8cf-rcjf-c8cf](https://github.com/advisories/GHSA-g8cf-rcjf-c8cf) — GitHub Security Advisories
- [NVD — CVE-2026-100354](https://nvd.nist.gov/vuln/detail/CVE-2026-100354) — NVD

---

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