CVE-2026-0268 Prisma Access Agent: Local Authenticated VPN Enforcement Bypass on Linux
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
| Versions | Affected | Unaffected |
|---|---|---|
| Prisma Access Agent | None 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
- cpe:2.3:a:palo_alto_networks:prisma_access_agent:*:*:*:*:*:Linux:*:* is vulnerable from (including)26.2.0 and up to (excluding)26.2.1
Timeline
Initial publication.