# CVE-2026-6634

> Vulnerability · severity: **MEDIUM** (CVSS 6.3).

## Description

A weakness has been identified in usememos memos up to 0.22.1. This affects the function memos_access_token of the file src/App.tsx of the component UpdateInstanceSetting. This manipulation of the argument additionalStyle/additionalScript causes improper authorization. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

## Key facts

- **CVE ID:** CVE-2026-6634
- **Published:** 2026-04-20
- **CVSS severity:** MEDIUM
- **CVSS base score:** 6.3
- **CWE codes:** CWE-266, CWE-285

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6634

## Citation

> AI Analytics. CVE-2026-6634. Retrieved 2026-09-07 from https://api.ai-analytics.org/cve/CVE-2026-6634. Derived from NIST NVD. Licensed CC0.

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