CVE-2026-30286 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Funambol	Zefiro	32.0.2026011614

Related Weaknesses (CWE)

CWE-22

References

https://github.com/Secsys-FDU/AF_CVEs/issues/14Third Party Advisory
https://play.google.com/store/apps/details?id=com.funambol.zefiroProduct
https://secsys.fudan.edu.cn/Not Applicable
https://zefiro.me/Product

FAQ

What is CVE-2026-30286?

CVE-2026-30286 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 e...

How severe is CVE-2026-30286?

CVE-2026-30286 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-30286?

Check the references section above for vendor advisories and patch information. Affected products include: Funambol Zefiro.