CVE-2022-4863 Improper Handling of Insufficient Permissions or Privileges in usememos/memos
Attackers can bypass permission checks to perform unauthorized actions or modify data in the Memos application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-4863?
CVE-2022-4863 is a high-severity missing authorization vulnerability in Usememos Memos, published on 30 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper Handling of Insufficient Permissions or Privileges in GitHub repository usememos/memos prior to 0.9.1.
Weakness: CWE-280
Which versions are affected by CVE-2022-4863?
3 open source packages ship an affected version, including github.com/usememos/memos. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/usememos/memos Go | All versions | 0.9.1 |
github.com/usememos/memos Go | All versions | 0.9.1 |
github.com/usememos/memos Go | All versions | 0.9.1 |
Products include Usememos Memos.
How do I fix CVE-2022-4863?
Upgrade github.com/usememos/memos to 0.9.1 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2022-4863 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4863 exists.
Other vulnerabilities in Usememos Memos
- CVE-2025-50738 Memos has Cross-Site Scripting (XSS) Vulnerability in Image URLs
- CVE-2025-22952 Memos Server-Side Request Forgery (SSRF)
- CVE-2023-0109 Stored XSS in usememos/memos
- CVE-2023-4696 Improper Access Control in usememos/memos
- CVE-2022-4866 Cross-site Scripting (XSS) - Stored in usememos/memos
Sources
Also known as GHSA-6whj-8g9g-5jvx, GO-2023-1270.