CVE-2022-4802
Authorization Bypass Through User-Controlled Key in usememos/memos
Authorization Bypass Through User-Controlled Key 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
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Authorization Bypass Through User-Controlled Key in usememos/memos
Authorization Bypass Through User-Controlled Key in GitHub repository usememos/memos prior to 0.9.1.
- Record
CVE-2022-4802- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
EUVDEUVD-2022-7740
Authorization Bypass Through User-Controlled Key in GitHub repository usememos/memos prior to 0.9.1.
- Record
EUVD-2022-7740- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rx2m-xr4x-54hh
usememos/memos vulnerable to Improper Authorization
usememos/memos 0.9.0 and prior is vulnerable to Improper Authorization.
- Record
GHSA-rx2m-xr4x-54hh- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-285, CWE-639
- Updated
- 2026-11-02
NVD
Authorization Bypass Through User-Controlled Key in GitHub repository usememos/memos prior to 0.9.1.
- Record
CVE-2022-4802- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
OSV
Authorization Bypass Through User-Controlled Key in usememos/memos
Authorization Bypass Through User-Controlled Key in GitHub repository usememos/memos prior to 0.9.1.
- Record
CVE-2022-4802- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
OSVGHSA-rx2m-xr4x-54hh
usememos/memos vulnerable to Improper Authorization
usememos/memos 0.9.0 and prior is vulnerable to Improper Authorization.
- Record
GHSA-rx2m-xr4x-54hh- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-285, CWE-639
- Updated
- 2026-11-02
OSVGO-2022-1248 No score
usememos/memos vulnerable to Improper Authorization in github.com/usememos/memos
usememos/memos vulnerable to Improper Authorization in github.com/usememos/memos
- Record
GO-2022-1248- 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-2022-4802 is a critical vulnerability (CVSS 9.1) 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 0.61%, the 49th percentile. Fixed in github.com/usememos/memos 0.9.1.
References
github.com/usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53
huntr.dev/bounties/d47d4a94-92e3-4400-b012-a8577cbd7956
nvd.nist.gov/vuln/detail/CVE-2022-4802