Improper Access Control in usememos/memos

published 2022-12-28 3 y ago modified 2026-06-17 4 mo ago also GHSA-6w5w-wx8w-2cq9 , GO-2022-1252 , EUVD-2022-7543

cvss: 8.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

Improper Access Control in GitHub repository usememos/memos prior to 0.9.1.

Patch / fix

fixed in 2 links 2

go github.com/usememos/memos 0.9.1
usememos usememos/memos 0.9.1

github.com/usememos/memos@3556ae4 commit
huntr.dev/bounties/e46c5380-a590-40de-a8e5-79872ee0bb29 advisory

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-04-09)

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/e46c5380-a590-40de-a8e5-79872ee0bb29 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
go	github.com/usememos/memos	<0.9.1	0.9.1

Affected products

usememos usememos/memos

Classification

Weakness

CWE-284 Improper Access Control

References

github.com /usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53
web, patch, third-party-advisory
huntr.dev /bounties/e46c5380-a590-40de-a8e5-79872ee0bb29
web, exploit, patch, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-4809
advisory
github.com /usememos/memos
package
github.com /advisories/GHSA-6w5w-wx8w-2cq9
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary