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CVE-2022-4686

30
FAUCET Score

CVE-2022-4686 describes a critical authorization bypass vulnerability in usememos/memos versions prior to 0.9.0, allowing an attacker to gain unauthorized access. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, its critical nature warrants immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.0CPE matchmatch criteria
cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.6HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.73%
Probability of exploitation in next 30 days
EPSS Percentile
50.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0073 is in the 33rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/usememos/memosFixed in: 0.9.0

Vendor Advisories (1)

goGHSA-68gw-r2x5-7r5rcritical

usememos/memos Authorization Bypass Through User-Controlled Key vulnerability

Dec 23, 2022

References

github.com / usememos/memos/commit/dca35bde877aab6e64ef51b52e590b5d48f692f9
PatchThird Party Advisory
huntr.dev / bounties/caa0b22c-501f-44eb-af65-65c315cd1637
ExploitIssue TrackingPatchThird Party Advisory