CVE-2026-44523: ENCHANT97 Note-Mark

Critical severity, CVSS 10.0. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• ENCHANT97 Note-Mark: before 0.19.4 (fixed in 0.19.4)

Published 2026-05-14. Last modified 2026-06-17.