CVE-2026-0234 HIGH

CVE-2026-0234: Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration

Vendor Palo Alto Networks
Product Cortex XSOAR Microsoft Teams Marketplace
Weakness CWE-347
Published April 13, 2026
Last update April 14, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Red

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 13, 2026 CVE published
April 14, 2026 Record updated