CVE-2026-44523

Note Mark: JWT Secret Weakness allows Full Account Takeover via token forgery

Published May 14, 2026 CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Description
Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWT_SECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-q6mh-rqwh-g786 Note Mark has a JWT Secret Weakness that allows Full Account Takeover via Token Forgery
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Enchant97
Enchant97 note-mark
Vendors & Products Enchant97
Enchant97 note-mark
Type Values Removed Values Added
Description Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWT_SECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4.
Title Note Mark: JWT Secret Weakness allows Full Account Takeover via token forgery
Weaknesses CWE-326
CWE-345
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 15, 2026, 2:55 PM
Reserved
May 6, 2026, 7:38 PM
Status
Deferred
Published
May 14, 2026, 7:16 PM
Modified
Oct 26, 2026, 2:10 PM