CVE-2026-30286 Funambol CVE debrief

Who should care

Organizations using Funambol Zefiro Cloud v32.0.2026011614 should prioritize patching this vulnerability to prevent potential attacks. Additionally, security teams and administrators responsible for cloud security should be aware of this vulnerability and take necessary precautions.

Technical summary

The vulnerability is caused by an arbitrary file overwrite issue in the file import process of Funambol Zefiro Cloud v32.0.2026011614. This allows attackers to overwrite critical internal files, potentially leading to arbitrary code execution or information exposure. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The vulnerability has a CVSS score of 9.8, indicating a critical severity level.

Defensive priority

High

Recommended defensive actions

• Apply the patch provided by the vendor to fix the arbitrary file overwrite vulnerability.
• Restrict access to the file import process to prevent unauthorized modifications.
• Monitor the system for suspicious activity and implement additional security measures to detect potential attacks.
• Consider implementing compensating controls, such as web application firewalls or intrusion detection systems, to help mitigate the vulnerability.
• Perform regular security audits and vulnerability assessments to identify and address potential issues.

Evidence notes

The CVE record was published on 2026-03-31T18:16:47.433Z and was last modified on 2026-07-24T20:10:00.147Z. The NVD entry is currently Analyzed. The evidence for this vulnerability is based on the CVE record and the NVD entry, which provide information on the vulnerability's existence, its severity, and its potential impact. The CVE record and NVD entry are official sources of information on vulnerabilities, and they provide a reliable basis for understanding the vulnerability and its implications.

Official resources