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Vulnerabilities

Vulnerability · CVE-2026-30286

An arbitrary file overwrite vulnerability in Funambol, Inc.

Published Mar 31, 2026 · catalog updated Jul 24, 2026 · An arbitrary file overwrite

Check if you run it

No confirmed exploitation is on record for CVE-2026-30286. EPSS is 0.83%. Act only if a listed version of An arbitrary file overwrite is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (An arbitrary file overwrite).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.83%
Remediation
Advisory link
Affected products
cpe funambol/zefiro

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe funambol/zefiro32.0.2026011614

How to fix CVE-2026-30286

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-30286. EPSS is 0.83%. Act only if a listed version of An arbitrary file overwrite is installed.

Which versions are affected?

Compare what you have installed with 32.0.2026011614. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 0.83%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 31, 2026 · NIST NVD

    Detected

    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.

  2. Jul 24, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-30286

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-30286

    30-day exploitation probability 0.8%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.