What is CVE-2022-4850?

CVE-2022-4850 is a medium-severity vulnerability in Usememos Memos, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2022-12-29.

How severe is CVE-2022-4850?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in Usememos Memos

CVE-2022-4850

Cross-Site Request Forgery (CSRF) in GitHub repository usememos/memos prior to 0.9.1.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2022-12-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Usememos Memos
Usememos Usememos/memos — versions unspecified

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

github.com/usememos/memos/commit/c9bb2b785dc5852655405d5c9ab127a2d5aa3948 (Patch, Third Party Advisory)
huntr.dev/bounties/46dc4728-eacc-43f5-9831-c203fdbcc346 (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-4850?: CVE-2022-4850 is a medium-severity vulnerability in Usememos Memos, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2022-12-29.
How severe is CVE-2022-4850?: Medium severity. CVSS v3 base score is 6.5 out of 10.