CVE-2026-44523

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

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

enchant97 · note-mark

CVSS v3.1 GITHUB

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

EPSS

0.16% chance of exploitation in the next 30 days, 5th percentile

Published

2026-05-14

Updated

2026-05-15

Proof-of-concept exploits (1)

• advisories/GHSA-q6mh-rqwh-g786

References

• CVE Record
• NVD entry