Idira Identity Browser Extension: Unauthorized Application Interaction via Origin Validation Failure
CVE-2026-45173

8.4HIGH

Key Information:

Vendor

Cyberark Software, A Palo Alto Networks Company

Status
Identity Browser Extensions
Vendor
CVE Published:
11 June 2026

Badges

👾 Exploit Exists

What is 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 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 Version(s)

Identity Browser Extensions Firefox 26.0.0 < 26.8.1

References

https://docs.cyberark.com/find-identity-administration-do...
vendor-advisory

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue
.