Vulnary
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Critical· 9.8

CVE-2026-30286

Funambol Zefiro Cloud version 32.0.2026011614 has a flaw that lets attackers overwrite important files by using the file import feature. This can allow attackers to run code or expose sensitive data. The vulnerability is critical.

publishedMar 31, 2026
last modifiedJul 24, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
47th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 7, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

Funambol Zefiro Cloud version 32.0.2026011614, used by organizations running the Zefiro Cloud platform.

02

Real-world impact

An attacker could replace or modify critical system files, potentially taking control of the system or exposing confidential information.

03

Why this severity

The CVSS score of 9.8 reflects that the flaw can be exploited remotely with no authentication or user interaction, and it can lead to complete compromise of confidentiality, integrity, and availability.

04

What to do about it

no official fix yet
interim mitigations
  • Avoid using the file import feature until a patch is released.
  • If possible, disable the file import functionality.

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources.

05

Timeline

  1. Mar 31, 2026 · Mar 31, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 24, 2026 · 12d ago
    Advisory updated
    The NVD record was last revised.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →