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

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Summary

CVECVE-2026-44523
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-14 19:16:37 UTC
Updated2026-05-15 15:16:52 UTC
DescriptionNote 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.

Risk And Classification

Primary CVSS: v3.1 10 CRITICAL from [email protected]

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

EPSS: 0.000090000 probability, percentile 0.008870000 (date 2026-05-25)

Problem Types: CWE-326 | CWE-345 | CWE-326 CWE-326: Inadequate Encryption Strength | CWE-345 CWE-345: Insufficient Verification of Data Authenticity

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
3.1CNADECLARED10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Enchant97 Note-mark affected < 0.19.4 Not specified

References

ReferenceSourceLinkTags
github.com/enchant97/note-mark/security/advisories/GHSA-q6mh-rqwh-g786 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
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