{"cve":"CVE-2026-40265","nvd":{"published":"2026-04-17T01:17:40.293","modified":"2026-10-26T22:10:00.163","status":"Deferred","description":"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 ownership or book visibility. An unauthenticated user who knows a valid note ID and asset ID can retrieve the full contents of private note assets without authentication, regardless of whether the associated book is public or private. This issue has been fixed in version 0.19.2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-862"],"references":["https://github.com/enchant97/note-mark/commit/6593898855add151eb9965d96998b05e14c62026","https://github.com/enchant97/note-mark/releases/tag/v0.19.2","https://github.com/enchant97/note-mark/security/advisories/GHSA-p5w6-75f9-cc2p"],"products":[],"source":"nvd","synced_at":"2026-10-26T22:26:44.656832877+00:00"},"epss":{"cve":"CVE-2026-40265","score":0.00441,"percentile":0.38042,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-p5w6-75f9-cc2p","url":"https://osv.dev/vulnerability/GHSA-p5w6-75f9-cc2p","summary":"Note Mark has Broken Access Control on Asset Download","modified":"2026-06-25T23:11:45.634134293Z","packages":[{"ecosystem":"Go","name":"github.com/enchant97/note-mark/backend","purl":"pkg:golang/github.com/enchant97/note-mark/backend","ranges":["<0.0.0-20260411145023-6593898855ad"],"fixed":["0.0.0-20260411145023-6593898855ad"]}]},{"id":"GO-2026-5530","url":"https://osv.dev/vulnerability/GO-2026-5530","summary":"Note Mark has Broken Access Control on Asset Download in github.com/enchant97/note-mark/backend","modified":"2026-06-25T23:01:21.670045643Z","packages":[{"ecosystem":"Go","name":"github.com/enchant97/note-mark/backend","purl":"pkg:golang/github.com/enchant97/note-mark/backend","ranges":["<0.0.0-20260411145023-6593898855ad"],"fixed":["0.0.0-20260411145023-6593898855ad"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}