Findings

CVE-2026-20147

ZDI-26-581: Cisco Identity Services Engine invokeScript Command Injection Remote Code Execution Vulnerability

Published Aug 13, 2026

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-2026-20147.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 13, 2026 · Catalog

    Detected

    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-2026-20147.

Sources

  • CVE.orgVulnerability recordCVE-2026-20147

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-20147

    30-day exploitation probability 10.4%

    first.org
  • Zero Day InitiativeCoordinated disclosureZDI-26-581

    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-2026-20147.

    zerodayinitiative.com
CVE-2026-20147 · ZeroDay Findings