CVE-2026-44523 CRITICAL

CVE-2026-44523: Note Mark: JWT Secret Weakness allows Full Account Takeover via token forgery

Vendor Enchant97
Product note-mark
Weakness CWE-326 · Weak encryption
Published May 14, 2026
Last update May 15, 2026
View on NVD All CVEs

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 14, 2026 CVE published
May 15, 2026 Record updated