Arbitrary File Overwrite in Funambol Zefiro Cloud 32.0.2026011614 via Import
CVE-2026-30286 Published on March 31, 2026
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.
Vulnerability Analysis
CVE-2026-30286 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-30286 has been classified to as a Directory traversal vulnerability or weakness.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.