Path Traversal in Funambol Zefiro

CVE-2026-30286

An arbitrary file overwrite vulnerability in Funambol, Inc. Zefiro Cloud v32.0.2026011614 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)

EPSS: 0.006 (47.0th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-30286?
CVE-2026-30286 is a critical-severity vulnerability in Funambol Zefiro, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-03-31.
How severe is CVE-2026-30286?
Critical severity. CVSS v3 base score is 9.8 out of 10.