CVE-2026-45173 PUBLISHED

Idira Identity Browser Extension: Unauthorized Application Interaction via Origin Validation Failure

Assigner: palo_alto
Reserved: 08.05.2026 Published: 11.06.2026 Updated: 12.06.2026

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

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N/U:Amber
CVSS Score: 8.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	Low	Integrity	High
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	CyberArk Software, a Palo Alto Networks Company
Product	Identity Browser Extensions
Versions	Default: unaffected affected from 26.0.0 to 26.8.1 (excl.)

Exploits

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Credits

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

References

https://docs.cyberark.com/find-identity-administration-docs/latest/en/content/getstarted/identity-new-doc-location.htm

Problem Types

CWE-346: Origin Validation Error CWE

Impacts

CAPEC-115 Authentication Bypass