Path Traversal in Cisco Identity Services Engine Software

CVE-2026-20181

A vulnerability in Cisco ISE and ISE-PIC could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have valid admi…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20181?
CVE-2026-20181 is a critical-severity vulnerability in Cisco Identity Services Engine Software, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-06-17.
How severe is CVE-2026-20181?
Critical severity. CVSS v3 base score is 9.1 out of 10.