What is CVE-2026-20148?

CVE-2026-20148 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under Path Traversal. CVSS score: 4.9/10. Published 2026-04-15.

How severe is CVE-2026-20148?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Cisco Identity Services Engine Software

CVE-2026-20148

A vulnerability in Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system and read arbitrary files. To exploit this vulnerability, the attacker must ha…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (24.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Cisco Identity Services Engine Software — versions 3.1.0, 3.1.0 p1, 3.1.0 p3
Cisco Ise Passive Identity Connector — versions 3.2.0, 3.1.0, 3.3.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cisco-sa-ise-rce-traversal-8bYndVrZ

Frequently asked questions

What is CVE-2026-20148?: CVE-2026-20148 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under Path Traversal. CVSS score: 4.9/10. Published 2026-04-15.
How severe is CVE-2026-20148?: Medium severity. CVSS v3 base score is 4.9 out of 10.