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CVE-2026-22810

33
FAUCET Score

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.

First published: May 18, 2026Last modified: May 18, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 3.5.7CPE matchmatch criteria
cpe:2.3:a:joplinapp:joplin:*:*:*:*:*:*:*:*
<= 1.3.0CPE matchmatch criteria
cpe:2.3:a:msiemens:one2html:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.5
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
10.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 42nd percentile among its peer group of 759 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: @joplin/onenote-converterFixed in: 3.5.7

Vendor Advisories (1)

npmGHSA-gcmj-c9gg-9vh6high

@joplin/onenote-converter: Path traversal in OneNote importer allows overwriting arbitrary files

May 15, 2026

References

github.com / laurent22/joplin/blob/af5108d70233b1db9410346958c1587cf7c1b16d/packages/onenote-converter/renderer/src/page/embedded_file.rs
Product
github.com / laurent22/joplin/commit/791668455e1aae50501ff57ea4783b3fba9d377c
Patch
github.com / laurent22/joplin/pull/13736
Issue Tracking
github.com / laurent22/joplin/releases/tag/v3.5.7
PatchProduct
github.com / laurent22/joplin/security/advisories/GHSA-gcmj-c9gg-9vh6
Vendor Advisory