CVE-2026-44523

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

State: Published
Severity: 10.0 Critical
Published: May 14, 2026
Updated: May 15, 2026
Reserved: May 6, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	10.0 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N	GitHub_M

Weaknesses

CWE-326 Inadequate Encryption Strength
CWE-345 Insufficient Verification of Data Authenticity

Affected Products

Product	Versions
note-markenchant97	< 0.19.4Affected

References

https://github.com/enchant97/note-mark/security/advisories/GHSA-q6mh-rqwh-g786

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