Deserialization of Untrusted Data in Archiver - CVE-2026-2036

 

Deserialization of Untrusted Data in Archiver - CVE-2026-2036

Published: February 17, 2026


Vulnerability identifier: #VU122973
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-2036
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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 within the configuration of the MArc.Store.Remoting.exe process. 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.


Affected software

Archiver

How to mitigate CVE-2026-2036

Install updates from vendor's website.

Archiver - update to 15.11

External References

Related Security Bulletins