---
title: "@typespec/openapi3"
description: "A path traversal flaw affects the npm package @typespec/openapi3. Affected versions: <= 1.15.0. No fixed version published so far. CVSS score 7.1."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-08-ghsa-2q42-4q24-7rgv
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-08
dateModified: 2026-09-08
---
# @typespec/openapi3

A path traversal flaw affects the npm package @typespec/openapi3. Affected versions: <= 1.15.0. No fixed version published so far. CVSS score 7.1.

## What to do

No fixed version has been published yet. Versions <= 1.15.0 are affected: apply the workaround described in the advisory.

| Fact | Value |
| --- | --- |
| Package | @typespec/openapi3 |
| Ecosystem | npm (JavaScript) |
| Class | Path traversal |
| Affected versions | <= 1.15.0 |
| CVSS | 7.1 |
| GHSA | GHSA-2q42-4q24-7rgv |
| Published on | September 8, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-2q42-4q24-7rgv](https://github.com/advisories/GHSA-2q42-4q24-7rgv) — GitHub Security Advisories

---

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Method and safeguards : https://inyourgeek.com/en/methode
Full register : https://inyourgeek.com/en/failles-de-securite