usememos/memos Improper Access Control vulnerability

HIGH 8.8CVE-2022-4809 · GHSA-6w5w-wx8w-2cq9 · GO-2022-1252 · Published 28/12/2022 · updated 17/06/2026

In short

CVE-2022-4809 is a HIGH (CVSS 8.8) vulnerability affecting github.com/usememos/memos, memos (usememos).
Chance of exploitation in the next 30 days (EPSS): 0.97%, higher than 62.0% of all vulnerabilities.
Fix: update to 0.9.1 or later.

Package	Affected versions	Patched versions
github.com/usememos/memos Go	`< 0.9.1`	`0.9.1`
memos usememos	`< 0.9.1`	`0.9.1`

usememos/memos 0.9.0 and prior is vulnerable to full account takeover via changing user name, email address, and display name.

NVD description

Improper Access Control in GitHub repository usememos/memos prior to 0.9.1.

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Package

Affected versions

Patched versions

< 0.9.1

0.9.1

< 0.9.1

0.9.1

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