What is CVE-2025-27409?

CVE-2025-27409 is a high-severity vulnerability in Joplin_project Joplin, classified under Path Traversal. CVSS score: 7.5/10. Published 2025-04-30.

How severe is CVE-2025-27409?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Joplin_project Joplin

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, path traversal is possible in Joplin Server if static file path starts with `css/pl…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Joplin_project Joplin
Laurent22 Joplin — versions < 3.3.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-27409?: CVE-2025-27409 is a high-severity vulnerability in Joplin_project Joplin, classified under Path Traversal. CVSS score: 7.5/10. Published 2025-04-30.
How severe is CVE-2025-27409?: High severity. CVSS v3 base score is 7.5 out of 10.