CVE-2022-4800
Improper Verification of Source of a Communication Channel in usememos/memos
Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Improper Verification of Source of a Communication Channel in usememos/memos
Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.
- Record
CVE-2022-4800- CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Weakness
- CWE-940
- Updated
- 2026-11-02
EUVDEUVD-2022-7687
Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.
- Record
EUVD-2022-7687- CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mfvq-m3jj-8864
usememos/memos vulnerable to Improper Verification of Source of a Communication Channel
usememos/memos 0.9.0 and prior is vulnerable to Improper Verification of Source of a Communication Channel.
- Record
GHSA-mfvq-m3jj-8864- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-940
- Updated
- 2026-11-02
NVD
Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.
- Record
CVE-2022-4800- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Weakness
- CWE-940
- Updated
- 2026-11-02
OSV
Improper Verification of Source of a Communication Channel in usememos/memos
Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.
- Record
CVE-2022-4800- CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L - Weakness
- CWE-940
- Updated
- 2026-11-02
OSVGHSA-mfvq-m3jj-8864
usememos/memos vulnerable to Improper Verification of Source of a Communication Channel
usememos/memos 0.9.0 and prior is vulnerable to Improper Verification of Source of a Communication Channel.
- Record
GHSA-mfvq-m3jj-8864- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-940
- Updated
- 2026-11-02
OSVGO-2022-1240 No score
usememos/memos vulnerable to Improper Verification of Source of a Communication Channel in github.com/usememos/memos
usememos/memos vulnerable to Improper Verification of Source of a Communication Channel in github.com/usememos/memos
- Record
GO-2022-1240- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/usememos/memosGo |
through 0.9.0 | 0.9.1 |
github.com/usememos/memosGo |
before 0.9.1 | 0.9.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-4800 is a high vulnerability (CVSS 8.6) in Usememos Memos, published December 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. Fixed in github.com/usememos/memos 0.9.1.
References
github.com/usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53
huntr.dev/bounties/aa45a6eb-cc38-45e5-a301-221ef43c0ef8
nvd.nist.gov/vuln/detail/CVE-2022-4800