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19/09/2026
Zero-Day Initiative

ZDI-26-717: Cisco Identity Services Engine AlarmMessageDiskQueue Deserialization of Untrusted Data Remote Code Execution Vulnerability

by Deepanshu Jha
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco Identity Services Engine. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-20211.
  • Next ZDI-26-718: Cisco Identity Services Engine MnTRESTLivelogService XML External Entity Processing Information Disclosure Vulnerability
  • Previous ZDI-26-716: Cisco Identity Services Engine createDBLink Command Injection Remote Code Execution Vulnerability

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