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CVE-2026-0248— Prisma Access Agent: Improper Certificate Validation Vulnerability

Quick assessment

Affected
Palo Alto Networks Prisma Access Agent
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Palo Alto Networks Prisma Access Agent是美国派拓网络（Palo Alto Networks）公司的一个零信任网络访问客户端代理。 Palo Alto Networks Prisma Access Agent for Android和Chrome OS存在信任管理问题漏洞，该漏洞源于证书验证不当，可能导致攻击者执行中间人攻击以拦截VPN流量，通过呈现由可信证书颁发机构颁发的任何域证书，攻击者可捕获敏感设备信息。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.19% · P9

Affected Version Matrix 2

VendorProduct Version RangeStatus
Palo Alto Networks Prisma Access Agent < 26.2.1 affected
All unaffected
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I. Basic Information for CVE-2026-0248

Vulnerability Information
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Vulnerability Title
Prisma Access Agent: Improper Certificate Validation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Networks Prisma Access Agent 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks Prisma Access Agent是美国派拓网络（Palo Alto Networks）公司的一个零信任网络访问客户端代理。 Palo Alto Networks Prisma Access Agent for Android和Chrome OS存在信任管理问题漏洞，该漏洞源于证书验证不当，可能导致攻击者执行中间人攻击以拦截VPN流量，通过呈现由可信证书颁发机构颁发的任何域证书，攻击者可捕获敏感设备信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Palo Alto Networks Prisma Access Agent 0 ~ 26.2.1 -
Palo Alto Networks Prisma Access Agent - -

II. Public POCs for CVE-2026-0248

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III. Intelligence Information for CVE-2026-0248

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Vendor Advisories for CVE-2026-0248 (1)

Same Patch Batch · Palo Alto Networks · 2026-05-13 · 26 CVEs total

CVE-2026-0256 PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface
CVE-2026-0242 Trust Protection Foundation: SQL Injection Vulnerability
CVE-2026-0258 PAN-OS: Server-Side Request Forgery (SSRF) in IKEv2 Certificate URL Fetching
CVE-2026-0245 Prisma Access Agent: Information Disclosure Vulnerabilities
CVE-2026-0259 WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire App
CVE-2026-0236 Prisma Browser: Code Injection Enables Security Controls Bypass
CVE-2026-0241 Trust Protection Foundation: Multiple Authorization Bypass Vulnerabilities
CVE-2026-0261 PAN-OS: Authenticated Admin Command Injection Vulnerability
CVE-2026-0265 PAN-OS: Authentication Bypass with Cloud Authentication Service (CAS) enabled
CVE-2026-0243 Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet
CVE-2026-0262 PAN-OS: Denial of Service Vulnerabilities in Network Traffic Parsing
CVE-2026-0237 Prisma Browser: Improperly Restricted Automation Bridge Allows Security Bypass
CVE-2026-0247 Prisma Access Agent Endpoint DLP: Authorization Bypass Vulnerabilities
CVE-2026-0250 GlobalProtect App: Buffer Overflow Vulnerability during connection to Portal or Gateway
CVE-2026-0238 Broker VM: Improper Input Validation in Broker VM Certificate and Key Fields
CVE-2026-0264 PAN-OS: Heap-Based Buffer Overflow in DNS Proxy and DNS Server Allows Unauthenticated Remo
CVE-2026-0235 Prisma Browser: Access and Data Rule Bypass
CVE-2026-0251 GlobalProtect App: Local Privilege Escalation Vulnerabilities
CVE-2026-0249 GlobalProtect App: Certificate Validation Bypass Vulnerabilities
CVE-2026-0240 Trust Protection Foundation: Sensitive Information Disclosure Vulnerability

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Prisma Access Agent
Same vendor: Palo Alto Networks
Same weakness: CWE-295

V. Comments for CVE-2026-0248

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