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CVE-2026-0249— GlobalProtect App: Certificate Validation Bypass Vulnerabilities

Quick assessment

Affected
Palo Alto Networks GlobalProtect App
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 GlobalProtect app是美国派拓网络（Palo Alto Networks）公司的一款网络防护软件。 Palo Alto Networks GlobalProtect app存在信任管理问题漏洞，该漏洞源于多个证书验证不当问题，可能导致攻击者拦截加密通信并可能破解端点，这可使本地非管理操作系统用户或同一子网上的攻击者将流量重定向到未授权服务器并促进恶意软件安装。

AI Predicted 7.5 Difficulty: Easy EPSS 0.11% · P2

Affected Version Matrix 6

VendorProduct Version RangeStatus
Palo Alto Networks GlobalProtect App 6.3.0< 6.3.3-h9 (6.3.3-999) affected
6.2.0< 6.2.8-h10 (6.2.8-948) affected
6.1.0< 6.1.13 affected
6.0.0< 6.0.14 affected
6.0.0< 6.0.13 affected
All unaffected
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I. Basic Information for CVE-2026-0249

Vulnerability Information
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Vulnerability Title
GlobalProtect App: Certificate Validation Bypass Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple improper certificate validation vulnerabilities in the Palo Alto Networks GlobalProtect™ app enables an attacker to intercept encrypted communications and potentially compromise the endpoint. This can enable a local non-administrative operating system user or an attacker on the same subnet to redirect traffic to an unauthorized server and facilitate the installation of malicious software. The GlobalProtect app on Linux, Windows, iOS and GlobalProtect UWP app are not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/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 GlobalProtect app 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks GlobalProtect app是美国派拓网络（Palo Alto Networks）公司的一款网络防护软件。 Palo Alto Networks GlobalProtect app存在信任管理问题漏洞，该漏洞源于多个证书验证不当问题，可能导致攻击者拦截加密通信并可能破解端点，这可使本地非管理操作系统用户或同一子网上的攻击者将流量重定向到未授权服务器并促进恶意软件安装。
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 GlobalProtect App 6.3.0 ~ 6.3.3-h9 (6.3.3-999) -
Palo Alto Networks GlobalProtect App 6.1.0 ~ 6.1.13 -
Palo Alto Networks GlobalProtect App 6.0.0 ~ 6.0.13 -
Palo Alto Networks GlobalProtect App - -

II. Public POCs for CVE-2026-0249

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III. Intelligence Information for CVE-2026-0249

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Vendor Advisories for CVE-2026-0249 (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-2026-0240 Trust Protection Foundation: Sensitive Information Disclosure Vulnerability
CVE-2026-0244 Prisma SD-WAN: Improper Certificate Validation Vulnerability

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

IV. Related Vulnerabilities

Same product: GlobalProtect App
Same vendor: Palo Alto Networks
Same weakness: CWE-295

V. Comments for CVE-2026-0249

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