CVE-2026-0234— Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration
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I. Basic Information for CVE-2026-0234
Vulnerability Information
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Vulnerability Title
Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration
Source: NVD (National Vulnerability Database)
Vulnerability Description
An improper verification of cryptographic signature vulnerability exists in Cortex XSOAR and Cortex XSIAM platforms during integration of Microsoft Teams that enables an unauthenticated user to access and modify protected resources.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Palo Alto Networks Cortex XSOAR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks Cortex XSOAR是美国Palo Alto Networks公司的一个应用软件。提供安全编排，自动化和响应平台，带有威胁情报管理和内置市场。 Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace和Cortex XSIAM Microsoft Teams Marketplace存在安全漏洞，该漏洞源于Microsoft Teams集成时加密签名验证不当，可能导致未经身份验证的用户访问和修改受保护资源
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 | Cortex XSOAR Microsoft Teams Marketplace | 1.5.0 ~ 1.5.52 | - | |
| Palo Alto Networks | Cortex XSIAM Microsoft Teams Marketplace | 1.5.0 ~ 1.5.52 | - |
II. Public POCs for CVE-2026-0234
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Palo Alto Networks · 2026-04-13 · 3 CVEs total
| CVE-2026-0232 | Cortex XDR Agent: Local Administrator can disable the agent on Windows | |
| CVE-2026-0233 | Autonomous Digital Experience Manager: Improper validation of ADEM certificate |
IV. Related Vulnerabilities
Same vendor: Palo Alto Networks
- CVE-2026-0300
PAN-OS: Unauthenticated user initiated Buffer Overflow Vulne - CVE-2026-0232
Cortex XDR Agent: Local Administrator can disable the agent - CVE-2026-0233
Autonomous Digital Experience Manager: Improper validation o - CVE-2026-0231
Cortex XDR Broker VM: Sensitive Information Disclosure Vulne - CVE-2026-0230
Cortex XDR Agent: Local Administrator can disable the agent
Same weakness: CWE-347
- CVE-2026-42193
Plunk: SNS webhook forgery - CVE-2026-44497
ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type - CVE-2026-41669
Admidio: SAML Signature Validation Result Ignored — Forged A - CVE-2026-7689
Dolibarr ERP CRM Online Signature security.lib.php dol_verif - CVE-2026-33467
Improper Verification of Cryptographic Signature in Elastic
V. Comments for CVE-2026-0234
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