What is CVE-2022-4804?

CVE-2022-4804 is a medium-severity vulnerability in Usememos Memos, classified under Improper Authorization. CVSS score: 5.3/10. Published 2022-12-28.

How severe is CVE-2022-4804?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Usememos Memos

CVE-2022-4804

Improper Authorization in GitHub repository usememos/memos prior to 0.9.1.

Published 2022-12-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Usememos Memos
Usememos Usememos/memos — versions unspecified

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

github.com/usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53 (Patch, Third Party Advisory)
huntr.dev/bounties/4ee48a1e-6332-4d95-a360-9c392643c533 (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-4804?: CVE-2022-4804 is a medium-severity vulnerability in Usememos Memos, classified under Improper Authorization. CVSS score: 5.3/10. Published 2022-12-28.
How severe is CVE-2022-4804?: Medium severity. CVSS v3 base score is 5.3 out of 10.