What’s Vulnerable › Vulnerabilities
CVE-2026-45173: Idira Identity Browser Extension: Unauthorized Application Interaction via Origin Validation Failure
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-11 · updated 2026-10-26
- Weakness: CWE-346
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
Affected products
- CyberArk Software, a Palo Alto Networks Company Identity Browser Extensions: from 26.0.0 before 26.8.1 — fixed in 26.8.1
- CyberArk Software, a Palo Alto Networks Company Identity Browser Extensions: from 26.0.0 before 26.8.1 — fixed in 26.8.1
How to fix
Upgrade to a fixed version: CyberArk Software, a Palo Alto Networks Company Identity Browser Extensions 26.8.1; CyberArk Software, a Palo Alto Networks Company Identity Browser Extensions 26.8.1. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-45173 or the next vulnerability affects your stack