Prisma Access Agent: Local Authenticated VPN Enforcement Bypass on Linux
Summary
| CVE | CVE-2026-0268 |
|---|---|
| State | PUBLISHED |
| Assigner | palo_alto |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-10 22:16:53 UTC |
| Updated | 2026-06-11 15:21:30 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 4.4 MEDIUM from [email protected]
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/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
EPSS: 0.001150000 probability, percentile 0.018170000 (date 2026-06-17)
Problem Types: CWE-424 | CWE-424 CWE-424 Improper Protection of Alternate Path
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 4.4 | MEDIUM | 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/C... |
| 4.0 | CNA | CVSS | 4.4 | MEDIUM | 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/A... |
CVSS v4.0 Breakdown
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/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
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Palo Alto Networks | Prisma Access Agent | affected 26.2.1 custom | Linux |
| CNA | Palo Alto Networks | Prisma Access Agent | unaffected All custom | Windows, macOS, iOS, Android, Chrome OS |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| security.paloaltonetworks.com/CVE-2026-0268 | [email protected] | security.paloaltonetworks.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: our internal security research teams (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-06-10T16:00:00.000Z | Initial publication. |
Solutions
CNA: 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
CNA: There are no known workarounds for this issue.
Exploits
CNA: Palo Alto Networks is not aware of any malicious exploitation of this issue.