CVE-2026-6634

MEDIUM

usememos UpdateInstanceSetting App.tsx memos_access_token improper authorization

Title source: cna

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.

Scores

CVSS v3 6.3
EPSS 0.0001
EPSS Percentile 1.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-266 CWE-285
Status published
Products (2)
usememos/memos 0.22.0
usememos/memos 0.22.1
Published Apr 20, 2026
Tracked Since Apr 20, 2026