CVE-2026-30286

Name: CVE-2026-30286
Creator: NVD / NIST
Published: 2026-03-31T18:16:47.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2026-30286 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.64%

46.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Funambol	Zefiro	32.0.2026011614

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

Timeline

Published: Mar 31, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-30286?

How severe is CVE-2026-30286?

CVE-2026-30286 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2026-30286?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-30286?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST