#VU123122 Deserialization of Untrusted Data in openITCOCKPIT - CVE-2026-24891

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Main Vulnerability Database Vulnerabilities #VU123122

#VU123122 Deserialization of Untrusted Data in openITCOCKPIT - CVE-2026-24891

Published: February 23, 2026


Vulnerability identifier: #VU123122
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2026-24891
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
openITCOCKPIT
Software vendor:
it-novum GmbH

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data in the Gearman worker implementation. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links