🛡️ CVE-2026-22810
🟠 CVSS 8.2 — High ✅ No Known Exploit CWE-24 NVD
8.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Versions prior to 3.5.7 contain a path traversal vulnerability in the importer which allows overwriting arbitrary files on disk. The OneNote converter does not sanitize the names of embedded files before writing them to disk. As a result, it's possible for an attacker to create a malicious .one file that includes file names containing ../../, that are then interpreted as part of the target path when extracting attachments from the .one file. This issue has been patched in version 3.5.7.

Details

Severity HIGH
CVSS Score 8.2
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE CWE-24
Public Exploit ✅ No
Source NVD
Published 2026-05-15
Updated 2026-06-03
Modified 2026-05-19

Affected Packages

Software From version Fixed in
@joplin/onenote-converter — —
joplin — 3.5.7
one2html — 1.3.0
unknown — —

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