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Vulnerability Details :

CVE-2026-0237

Summary
Assigner-palo_alto
Assigner Org ID-d6c1279f-00f6-4ef7-9217-f89ffe703ec0
Published At-13 May, 2026 | 17:48
Updated At-14 May, 2026 | 03:56
Rejected At-
Credits

Prisma Browser: Improperly Restricted Automation Bridge Allows Security Bypass

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:palo_alto
Assigner Org ID:d6c1279f-00f6-4ef7-9217-f89ffe703ec0
Published At:13 May, 2026 | 17:48
Updated At:14 May, 2026 | 03:56
Rejected At:
▼CVE Numbering Authority (CNA)
Prisma Browser: Improperly Restricted Automation Bridge Allows Security Bypass

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.

Affected Products
Vendor
Palo Alto Networks, Inc.Palo Alto Networks
Product
Prisma Browser
Default Status
unaffected
Versions
Affected
  • From 0 before 146.16.6.165 (custom)
    • -> unaffectedfrom146.16.6.165
Problem Types
TypeCWE IDDescription
CWECWE-424CWE-424: Improper Protection of Alternate Path
Type: CWE
CWE ID: CWE-424
Description: CWE-424: Improper Protection of Alternate Path
Metrics
VersionBase scoreBase severityVector
4.07.3HIGH
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
Version: 4.0
Base score: 7.3
Base severity: HIGH
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-121CAPEC-121 Exploit Non-Production Interfaces
CAPEC ID: CAPEC-121
Description: CAPEC-121 Exploit Non-Production Interfaces
Solutions

VERSION SUGGESTED SOLUTION Prisma Browser Upgrade to 146.16.6.165 or later.

Configurations

No special configuration is required to be affected by this issue.

Workarounds

No known workarounds exist for this issue.

Exploits

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Credits

finder
Cisors
Timeline
EventDate
Initial publication.2026-05-13 16:00:00
Event: Initial publication.
Date: 2026-05-13 16:00:00
Replaced By

Rejected Reason

References
HyperlinkResource
https://security.paloaltonetworks.com/CVE-2026-0237
vendor-advisory
Hyperlink: https://security.paloaltonetworks.com/CVE-2026-0237
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:psirt@paloaltonetworks.com
Published At:13 May, 2026 | 18:16
Updated At:13 May, 2026 | 18:17

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.07.3HIGH
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/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:N/R:U/V:D/RE:M/U:Amber
Type: Secondary
Version: 4.0
Base score: 7.3
Base severity: HIGH
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/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:N/R:U/V:D/RE:M/U:Amber
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-424Secondarypsirt@paloaltonetworks.com
CWE ID: CWE-424
Type: Secondary
Source: psirt@paloaltonetworks.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://security.paloaltonetworks.com/CVE-2026-0237psirt@paloaltonetworks.com
N/A
Hyperlink: https://security.paloaltonetworks.com/CVE-2026-0237
Source: psirt@paloaltonetworks.com
Resource: N/A

Change History

0
Information is not available yet

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Details not found