CVE-2026-6634

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.

How to fix CVE-2026-6634

No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.

• —no fix listed

Is CVE-2026-6634 being exploited?

Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, <= 0.22.1

CVSS scores

References (6)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2026-6634
• PATCHgithub.com/usememos/memos
• WEBgithub.com/Dave-gilmore-aus/security-advisories/blob/main/usememos-security-advisory
• WEBvuldb.com/submit/793432
• WEB