What is CVE-2026-40265?

CVE-2026-40265 is a medium-severity vulnerability in Enchant97 Note-mark, classified under Missing Authorization. CVSS score: 5.9/10. Published 2026-04-16.

How severe is CVE-2026-40265?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Auth bypass in Enchant97 Note-mark

CVE-2026-40265

Note Mark is an open-source note-taking application. In versions 0.19.1 and prior, the asset download endpoint at /api/notes/{noteID}/assets/{assetID} is registered without authentication middleware, and the backend query does not verify o…

Vulnerability class: Broken Access Control

EPSS: 0.000 (13.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Enchant97 Note-mark — versions < 0.19.2

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

https://github.com/enchant97/note-mark/security/advisories/GHSA-p5w6-75f9-cc2p (x_refsource_CONFIRM)
https://github.com/enchant97/note-mark/commit/6593898855add151eb9965d96998b05e14c62026 (x_refsource_MISC)
https://github.com/enchant97/note-mark/releases/tag/v0.19.2 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40265?: CVE-2026-40265 is a medium-severity vulnerability in Enchant97 Note-mark, classified under Missing Authorization. CVSS score: 5.9/10. Published 2026-04-16.
How severe is CVE-2026-40265?: Medium severity. CVSS v3 base score is 5.9 out of 10.