{"id":"CVE-2026-45173","aliases":["EUVD-2026-36363","GHSA-mmjg-x39c-438q"],"status":"published","title":"Idira Identity Browser Extension: Unauthorized Application Interaction via Origin Validation Failure","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","severity":{"version":"4.0","score":8.4,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00161,"percentile":0.0537,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-346"],"published":"2026-06-11T21:33:25Z","modified":"2026-10-26T11:10:00Z","products":[{"vendor":"cyberark software, a palo alto networks company","product":"identity browser extensions"},{"vendor":"paloaltonetworks","product":"idira_identity_browser_extension"}],"references":[{"url":"https://docs.cyberark.com/find-identity-administration-docs/latest/en/content/getstarted/identity-new-doc-location.htm","tags":["vendor-advisory","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45173"},{"url":"https://github.com/advisories/GHSA-mmjg-x39c-438q"}],"sources":{"cve":[{"id":"CVE-2026-45173","title":"Idira Identity Browser Extension: Unauthorized Application Interaction via Origin Validation Failure","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","status":"published","published":"2026-06-11T21:33:25.484Z","modified":"2026-06-12T13:40:22.091Z","cvss":[{"version":"4.0","score":8.4,"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","level":"high","assessor":"cna"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T13:46:32.755125Z"}],"euvd":[{"id":"EUVD-2026-36363","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","status":"published","published":"2026-06-11T21:33:25Z","modified":"2026-06-12T13:40:22Z","cvss":[{"version":"4.0","score":8.4,"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","level":"high"}],"updated_at":"2026-11-02T18:20:43.577088Z"}],"ghsa":[{"id":"GHSA-mmjg-x39c-438q","title":"Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1...","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","status":"published","published":"2026-06-12T00:31:56Z","modified":"2026-06-22T21:30:46Z","cvss":[{"version":"4.0","score":8.4,"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/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","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T15:08:56.309175Z"}],"nvd":[{"id":"CVE-2026-45173","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","status":"published","published":"2026-06-11T22:16:57.47Z","modified":"2026-10-26T11:10:00.157Z","cvss":[{"version":"4.0","score":8.4,"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/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","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-346"],"updated_at":"2026-11-02T14:12:23.485267Z"}]}}