CVE-2026-0248 PUBLISHED

Prisma Access Agent: Improper Certificate Validation Vulnerability

Assigner: palo_alto
Reserved: 03.11.2025 Published: 13.05.2026 Updated: 13.05.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/E:U/AU:Y/R:A/V:D/RE:M/U:Amber
CVSS Score: 6.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	Low
Attack Complexity	Low	Integrity	High	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Palo Alto Networks
Product	Prisma Access Agent
Versions	Default: unaffected affected from 0 to 26.2.1 (excl.)

Vendor	Palo Alto Networks
Product	Prisma Access Agent
Versions	Default: unaffected Version All is unaffected

Exploits

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Credits

Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue. other

References

https://security.paloaltonetworks.com/CVE-2026-0248

Problem Types

CWE-295 Improper Certificate Validation CWE

Impacts

CAPEC-94 Adversary in the Middle (AiTM)