CVE-2023-4696 Improper Access Control in usememos/memos
Attackers can access or modify data without proper authorization in the Memos note-taking application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-4696?
CVE-2023-4696 is a critical missing authorization vulnerability in Usememos Memos, published on 1 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Access Control in GitHub repository usememos/memos prior to 0.13.2.
Weakness: CWE-284
Which versions are affected by CVE-2023-4696?
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 | 0.13.2 |
github.com/usememos/memos Go | All versions | 0.13.2 |
github.com/usememos/memos Go | All versions | 0.13.2 |
Products include Usememos Memos.
How do I fix CVE-2023-4696?
Upgrade github.com/usememos/memos to 0.13.2 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-4696 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4696 exists.
Public exploit code: 1 proofs of concept on GitHub.
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-2022-4866 Cross-site Scripting (XSS) - Stored in usememos/memos
- CVE-2022-4851 Improper Handling of Values in usememos/memos
Sources
Also known as GHSA-j2gj-g3p9-7mrr, GO-2023-2038.