CVE-2026-6634
Medium
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.
SeverityMedium
CVSS6.3
Exploit probability—
ProductGithub.com/usememos/memos
PublishedApr 20, 2026
First seenApr 20, 2026
Weakness typeCWE-285CWE-285CWE-266CWE-266
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/usememos/memosGo | v ≤ 0.22.1, No range specified | — |
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