CVE-2026-30286

critical

Description

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.

References

https://zefiro.me/

https://secsys.fudan.edu.cn/

https://play.google.com/store/apps/details?id=com.funambol.zefiro

https://github.com/Secsys-FDU/AF_CVEs/issues/14

Details

Source: Mitre, NVD

Published: 2026-03-31

Updated: 2026-04-03

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00018