CVE-2026-20247

A vulnerability in Cisco ISE could allow an unauthenticated, remote attacker to conduct SQL injection attacks on an affected device. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to modify data in the underlying database.

  • Published Sep 16, 2026
  • CVSS 7.5 high
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

In the news

CVE-2026-20247 at the National Vulnerability Database