CVE-2026-45173
Idira Identity Browser Extension: Unauthorized Application Interaction via Origin Validation Failure
Severity
High 8.4
CVSS 4.0
Exploited
Not listed
EPSS
0.002
5.8th percentile
Discovered by
Vendor
Vendor-published field
Published
Jun 11, 2026
Assigned by palo_alto
Description
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 webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21
Weakness: CWE-346
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Palo Alto Networks | CyberArk Identity | Identity / IAM / MFA | cna-assigner |
Vendor-reported products (1)
- CyberArk Software, a Palo Alto Networks Company · Identity Browser Extensions
Credit
Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue