High severity · published May 13, 2026
CVE-2026-0237
Prisma Browser: Improperly Restricted Automation Bridge Allows Security Bypass
7.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PB
Prisma Browser · Palo Alto Networks
before 146.16.6.165 · source: vendor, NVD
Affected product
PB
Prisma Browser
Palo Alto Networks
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