CVE-2025-27409: Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. Prior to version 3.3.3…

PriorityP342high7.5CVSS 3.1

AVNACLPRNUINSUCHINAN

EPSS

0.55%

41.6th percentile

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. Prior to version 3.3.3, path traversal is possible in Joplin Server if static file path starts with `css/pluginAssets` or `js/pluginAssets`. The `findLocalFile` function in the `default route` calls `localFileFromUrl` to check for special `pluginAssets` paths. If the function returns a path, the result is returned directly, without checking for path traversal. The vulnerability allows attackers to read files outside the intended directories. This issue has been patched in version 3.3.3.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
joplin_project	joplin	< 3.3.3	3.3.3
laurent22	joplin	< 3.3.3	3.3.3

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