Improper Verification of Cryptographic Signature in Cortex XSOAR and Cortex XSIAM - CVE-2026-0234

 

Improper Verification of Cryptographic Signature in Cortex XSOAR and Cortex XSIAM - CVE-2026-0234

Published: April 9, 2026


Vulnerability identifier: #VU125523
CSH Severity: High
CVSS v4.0: 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/U:Amber
CVE-ID: CVE-2026-0234
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Palo Alto Networks, Inc.
Affected software:
Cortex XSOAR
Cortex XSIAM

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper verification of a cryptographic signature in Microsoft Teams integration. A remote attacker can access and modify protected resources.


How to mitigate CVE-2026-0234

Install updates from vendor's website.

Sources