Path Traversal in Funair Fly Is Fun

CVE-2026-30278

An arbitrary file overwrite vulnerability in FLY is FUN Aviation Navigation v35.33 allows attackers to overwrite critical internal files via the file import process, leading to arbitrary code execution or information exposure.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (53.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-30278: held from 0.005 to 0.008.

EPSS over last 30 days · oldest: 0.005 · newest: 0.008 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-30278?
CVE-2026-30278 is a critical-severity vulnerability in Funair Fly Is Fun, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-03-31.
How severe is CVE-2026-30278?
Critical severity. CVSS v3 base score is 9.8 out of 10.