CVE-2023-4696

criticalpriority · attend · 49EPSS 0.011 · 66 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.12% (66th) EPSS

CVSS 9.8 · critical

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Improper Access Control in GitHub repository usememos/memos prior to 0.13.2.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · security@huntr.devexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284US

exploits (1)

Public proof-of-concept and weaponised exploit code.

mnqazi/CVE-2023-4696https://medium.com/@mnqazi/cve-2023-4696-account-takeover-due-to-improper-handling-of-jwt-tokens-in-memos-v0-13-2-13104e1412f3PoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

usememos usememos/memosunspecified → 0.13.2enisa_euvdEU
usememos memos< 0.13.2nvdUScpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*
Go github.com/usememos/memos< 0.13.2osvUSpkg:golang/github.com/usememos/memos

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-j2gj-g3p9-7mrrAccount TakeOver Due to Improper Handling of JWT Tokens in usememos/memos2023-09-01ghsa · osvUS
Improper Access Control in GitHub repository usememos/memos prior to 0.13.2. As of commit `c9aa2eeb9` access tokens which fail validation are rejected.
GO-2023-2038Account TakeOver Due to Improper Handling of JWT Tokens in usememos/memos in github.com/usememos/memos2024-08-21vendor · osvUS
Account TakeOver Due to Improper Handling of JWT Tokens in usememos/memos in github.com/usememos/memos

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2023-09-01modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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