PatchTheCVECVE-2025-27409: Joplin is a free, open source note taking and to-do application, which can handle a large number of notes orga
CVE-2025-27409 is a high-severity flaw (CVSS 7.5) affecting joplin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 di
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 49%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2025-04-30 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-27409?
joplin: upgrade to 3.3.3. Exact commands for each OS are on this page.
Is CVE-2025-27409 being exploited?
CVE-2025-27409 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-27409 affect?
CVE-2025-27409 affects joplin. Severity is high (CVSS 7.5). 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/plu
How urgent is CVE-2025-27409?
Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
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