CVE-2026-45173

HIGH

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

Title source: cna
STIX 2.1

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

References (1)

Core 1

Scores

CVSS v4 8.4
EPSS 0.0024
EPSS Percentile 14.8%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-346
Status published
Products (1)
CyberArk Software, a Palo Alto Networks Company/Identity Browser Extensions 26.0.0 - 26.8.1
Published Jun 11, 2026
Tracked Since Jun 12, 2026