Low severity3.7NVD Advisory· Published Apr 17, 2026· Updated Apr 17, 2026
CVE-2026-40263
CVE-2026-40263
Description
Note Mark is an open-source note-taking application. In versions 0.19.1 and prior, the login endpoint performs bcrypt password verification only when the supplied username exists, returning immediately for nonexistent usernames. This timing discrepancy allows unauthenticated attackers to enumerate valid usernames by measuring response times, enabling targeted credential attacks. This issue has been fixed in version 0.19.2.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/enchant97/note-mark/backendGo | < 0.19.2-0.20260411145025-cf4c6f6acf70 | 0.19.2-0.20260411145025-cf4c6f6acf70 |
Affected products
2- ghsa-coordsRange: < 0.19.2-0.20260411145025-cf4c6f6acf70
Patches
Vulnerability mechanics
References
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