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CVE-2022-4798

20
FAUCET Score

CVE-2022-4798 is an authorization bypass vulnerability affecting usememos/memos versions prior to 0.9.1, allowing an attacker to gain unauthorized access through a user-controlled key. Rated Medium severity (CVSS 5.3), this vulnerability can be exploited remotely with low attack complexity, potentially leading to unauthorized data modification. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.1CPE 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
0.70%
Probability of exploitation in next 30 days
EPSS Percentile
49.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0070 is in the 31st percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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: 0.9.1

Vendor Advisories (1)

goGHSA-qcf5-m2c6-89f2medium

usememos/memos Improper Authorization vulnerability

Dec 28, 2022

References

github.com / usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53
PatchThird Party Advisory
huntr.dev / bounties/e12eed25-1a8e-4ee1-b846-2d4df1db2fae
ExploitPatchThird Party Advisory