CVE-2026-0277: Prisma Access Agent: Improper Certificate Validation on iOS (Severity: MEDIUM)

Published Jul 8, 2026
·
Updated

An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic.

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

Affected Software

12 affected componentsFixes available
All of the following
Palo Alto Networks Prisma Access Agent=0
26.2.1
Apple iOS*
All of the following
Palo Alto Networks Prisma Access Agent
Linux Linux*
All of the following
Palo Alto Networks Prisma Access Agent
Microsoft Windows*
All of the following
Palo Alto Networks Prisma Access Agent
Apple macOS*
All of the following
Palo Alto Networks Prisma Access Agent
Google Android*
All of the following
Palo Alto Networks Prisma Access Agent<26.2.1
Apple iPhone 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 (iOS) to a version that resolves this vulnerability.

    Fixed in 26.2.1

Event History

Jul 8, 2026
Advisory Published
via Palo Alto Networks·04:00 PM
Data Sourced
via Palo Alto Networks·04:00 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 9, 2026
CVE Published
via MITRE·07:14 PM
Data Sourced
via MITRE·07:14 PM
DescriptionWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-0277?

CVE-2026-0277 has a high severity rating of 8.7.

2

How does CVE-2026-0277 affect users?

CVE-2026-0277 allows attackers to perform a man-in-the-middle attack, potentially intercepting VPN traffic on iOS devices.

3

What versions of the Prisma Access Agent are affected by CVE-2026-0277?

Only the Prisma Access Agent for iOS is affected by CVE-2026-0277; other platforms are not impacted.

4

How can I mitigate the risks of CVE-2026-0277?

To mitigate CVE-2026-0277, ensure that you update the Prisma Access Agent to the latest version that addresses this vulnerability.

5

What is the primary vulnerability found in CVE-2026-0277?

CVE-2026-0277 involves improper certificate validation, which can lead to security vulnerabilities.

Contact

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