Palo Alto Networks Security Advisories / CVE-2026-0268

CVE-2026-0268 Prisma Access Agent: Local Authenticated VPN Enforcement Bypass on Linux

Urgency MODERATE

047910
Severity 4.4 · MEDIUM
Exploit Maturity UNREPORTED
Response Effort MODERATE
Recovery USER
Value Density DIFFUSE
Attack Vector LOCAL
Attack Complexity LOW
Attack Requirements NONE
Automatable NO
User Interaction NONE
Product Confidentiality HIGH
Product Integrity LOW
Product Availability NONE
Privileges Required LOW
Subsequent Confidentiality NONE
Subsequent Integrity NONE
Subsequent Availability NONE

Description

A security control bypass vulnerability in Prisma Access Agent for Linux allows a local attacker to route network traffic outside the VPN tunnel.

This does not impact Prisma Access Agent on Windows, macOS, iOS, Android, or ChromeOS.

Product Status

VersionsAffectedUnaffected
Prisma Access AgentNone on Windows
None on macOS
None on iOS
None on Android
None on Chrome OS
All on Windows
All on macOS
All on iOS
All on Android
All on Chrome OS
Prisma Access Agent < 26.2.1 on Linux
>= 26.2.1 on Linux

Required Configuration for Exposure

No special configuration is required.

Severity: MEDIUM, Suggested Urgency: MODERATE

CVSS-BT: 4.4 / CVSS-B: 6.9 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber)

Exploitation Status

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

Weakness Type and Impact

CWE-424 Improper Protection of Alternate Path

CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels

Solution

Version
Minor Version
Suggested Solution
Prisma Access Agent on Linux
25.7 through 26.2.0 Upgrade to 26.2.1 or later.
Prisma Access Agent All on Windows
No action needed.
Prisma Access Agent All on macOS
No action needed.
Prisma Access Agent All on iOS
No action needed.
Prisma Access Agent All on Android
No action needed.
Prisma Access Agent All on Chrome OS
No action needed.

Workarounds and Mitigations

There are no known workarounds for this issue.

Acknowledgments

Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue.

CPE Applicability

Timeline

Initial publication.
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