Deserialization of Untrusted Data in Content Synchronizer - CVE-2026-118547
Published: November 5, 2026
Vulnerability identifier: #VU159406
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-118547
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data. A remote administrator can use a specially crafted import file and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Content Synchronizer
How to mitigate CVE-2026-118547
Install updates from vendor's website.
Content Synchronizer - update to 4.1.1