CVE-2026-0277: CWE-295 Improper Certificate Validation in Palo Alto Networks Prisma Access Agent
CVE-2026-0277 is a medium severity vulnerability in the Palo Alto Networks Prisma Access Agent for iOS caused by improper certificate validation. This flaw allows an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. Other platform versions of the Prisma Access Agent (Windows, macOS, Linux, Android, ChromeOS) are not affected. No patch or official remediation guidance has been provided yet.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-0277) involves improper certificate validation in the Prisma Access Agent specifically on iOS devices. Due to this weakness, an attacker could exploit the flaw to intercept VPN traffic by conducting a man-in-the-middle attack. The issue does not affect Prisma Access Agent versions on other operating systems. The CVSS 4.0 base score is 5.7, indicating medium severity. As of the published date, no official fix or remediation level has been announced by Palo Alto Networks.
Potential Impact
An attacker exploiting this vulnerability could intercept and potentially manipulate VPN traffic from an iOS device using the Prisma Access Agent. This compromises the confidentiality and integrity of the VPN communication. Other platforms are not impacted by this issue.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users of the Prisma Access Agent on iOS should exercise caution when connecting to untrusted networks. No vendor-provided mitigation or workaround is currently documented.
CVE-2026-0277: CWE-295 Improper Certificate Validation in Palo Alto Networks Prisma Access Agent
Description
CVE-2026-0277 is a medium severity vulnerability in the Palo Alto Networks Prisma Access Agent for iOS caused by improper certificate validation. This flaw allows an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. Other platform versions of the Prisma Access Agent (Windows, macOS, Linux, Android, ChromeOS) are not affected. No patch or official remediation guidance has been provided yet.
CVSS v4.0
Score 5.7medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-0277) involves improper certificate validation in the Prisma Access Agent specifically on iOS devices. Due to this weakness, an attacker could exploit the flaw to intercept VPN traffic by conducting a man-in-the-middle attack. The issue does not affect Prisma Access Agent versions on other operating systems. The CVSS 4.0 base score is 5.7, indicating medium severity. As of the published date, no official fix or remediation level has been announced by Palo Alto Networks.
Potential Impact
An attacker exploiting this vulnerability could intercept and potentially manipulate VPN traffic from an iOS device using the Prisma Access Agent. This compromises the confidentiality and integrity of the VPN communication. Other platforms are not impacted by this issue.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users of the Prisma Access Agent on iOS should exercise caution when connecting to untrusted networks. No vendor-provided mitigation or workaround is currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- palo_alto
- Date Reserved
- 2025-11-03T20:44:36.317Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4ffe7a68715ace43fdfbc7
Added to database: 07/09/2026, 20:03:06 UTC
Last enriched: 07/09/2026, 20:17:45 UTC
Last updated: 07/09/2026, 20:47:15 UTC
Views: 6
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