What is CVE-2026-30580?

CVE-2026-30580 is a medium-severity vulnerability in Leefish File Thingie, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-03-20.

How severe is CVE-2026-30580?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Path Traversal in Leefish File Thingie

CVE-2026-30580

File Thingie 2.5.7 is vulnerable to Directory Traversal. A malicious user can leverage the "create folder from url" functionality of the application to read arbitrary files on the target system.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Leefish File Thingie — versions 2.5.7

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/leefish/filethingie (Product)
github.com/SpeWnz/Vulnerability-Research/tree/main/CVE-2026-30580 (Third Party Advisory)

Frequently asked questions

What is CVE-2026-30580?: CVE-2026-30580 is a medium-severity vulnerability in Leefish File Thingie, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-03-20.
How severe is CVE-2026-30580?: Medium severity. CVSS v3 base score is 4.3 out of 10.