How severe is CVE-2026-45173?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Cyberark Software, A Palo Alto Networks Company Identity Browser Extensions

CVE-2026-45173

Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted we…

EPSS: 0.002 (5.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

psirt@paloaltonetworks.com (Product, vendor-advisory)

Frequently asked questions

What is CVE-2026-45173?: CVE-2026-45173 is a medium-severity vulnerability in Cyberark Software, A Palo Alto Networks Company Identity Browser Extensions, classified under Origin Validation Error. CVSS score: 6.5/10. Published 2026-06-11.
How severe is CVE-2026-45173?: Medium severity. CVSS v3 base score is 6.5 out of 10.