usememos/memos Improper Authorization vulnerability

MEDIUM 5.4CVE-2022-4811 · GHSA-hc5q-26h8-r9wf · GO-2022-1259 · Published 28/12/2022 · updated 17/06/2026

In short

CVE-2022-4811 is a MEDIUM (CVSS 5.4) vulnerability affecting github.com/usememos/memos, memos (usememos).
Chance of exploitation in the next 30 days (EPSS): 0.60%, higher than 48.8% 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`

In usememos/memos 0.9.0 and prior, an unauthorized user can access any private memo by URL hacking a memo on the editing screen.

NVD description

Authorization Bypass Through User-Controlled Key vulnerability in usememos usememos/memos.This issue affects usememos/memos before 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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