CVE-2026-0248: Prisma Access Agent: Improper Certificate Validation Vulnerability (Severity: MEDIUM)

Published May 13, 2026
·
Updated

An improper certificate validation vulnerability in the Prisma Access Agent® for Android and Chrome OS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. By presenting a certificate for any domain issued by a trusted Certificate Authority, the attacker can capture sensitive device information.

The Prisma Access Agent on macOS, Windows, Linux and iOS are not affected.

Affected Software

15 affected componentsFixes available
Palo Alto Networks Prisma Access Agent (Android)
Palo Alto Networks Prisma Access Agent (Chrome OS)
All of the following
Palo Alto Networks Prisma Access Agent<26.2.1, =
26.2.1
Google Android*
All of the following
Palo Alto Networks Prisma Access Agent
Apple iOS*
All of the following
Palo Alto Networks Prisma Access Agent
Linux Linux*
All of the following
Palo Alto Networks Prisma Access Agent
Apple macOS*
All of the following
Palo Alto Networks Prisma Access Agent
Microsoft Windows*
All of the following
Palo Alto Networks Prisma Access Agent<26.2.1
Any of the following
Google Android
Google Chrome OS

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 26.2.1
  2. Upgrade

    Upgrade Prisma Access Agent Chrome OS to a version that resolves this vulnerability.

    Fixed in 26.2.1
  3. Upgrade

    Upgrade Prisma Access Agent on Android to a version that resolves this vulnerability.

    Fixed in 26.2.1

Event History

May 13, 2026
Advisory Published
via Palo Alto Networks·04:00 PM
Data Sourced
via Palo Alto Networks·04:00 PM
RemedyDescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:05 PM
Data Sourced
via MITRE·07:05 PM
DescriptionWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-0248?

CVE-2026-0248 has a severity rating of MEDIUM.

2

How does CVE-2026-0248 affect the Prisma Access Agent?

CVE-2026-0248 allows attackers to perform a man-in-the-middle attack to intercept VPN traffic by exploiting improper certificate validation.

3

What products are affected by CVE-2026-0248?

CVE-2026-0248 affects the Prisma Access Agent for Android and Chrome OS.

4

How can I mitigate the risks of CVE-2026-0248?

To mitigate CVE-2026-0248, ensure your Prisma Access Agent is updated to the latest version 26.2.1 or higher.

5

Is the Prisma Access Agent for other platforms affected by CVE-2026-0248?

No, CVE-2026-0248 specifically affects the Prisma Access Agent for Android and Chrome OS only.

Contact

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