---
title: "obsidian-tc — CVE-2026-77366"
description: "An authentication bypass flaw affects the npm package obsidian-tc. Affected versions: < 1.3.1. Fixed from version 1.3.1. CVSS score 9.9."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-23-cve-2026-77366
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-23
dateModified: 2026-10-23
---
# obsidian-tc — CVE-2026-77366

An authentication bypass flaw affects the npm package obsidian-tc. Affected versions: < 1.3.1. Fixed from version 1.3.1. CVSS score 9.9.

## What to do

Update obsidian-tc to 1.3.1 or later.

| Fact | Value |
| --- | --- |
| Package | obsidian-tc |
| Ecosystem | npm (JavaScript) |
| Class | Authentication bypass |
| Affected versions | < 1.3.1 |
| Fixed version | 1.3.1 |
| CVSS | 9.9 |
| CVE | CVE-2026-77366 |
| GHSA | GHSA-84c9-qqpq-2pq5 |
| Published on | October 23, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-84c9-qqpq-2pq5](https://github.com/advisories/GHSA-84c9-qqpq-2pq5) — GitHub Security Advisories
- [NVD — CVE-2026-77366](https://nvd.nist.gov/vuln/detail/CVE-2026-77366) — NVD

---

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