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

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Main Vulnerability Database Vulnerabilities #VU125523

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: 9.2 [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]
CVE-ID: CVE-2026-0234
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Cortex XSOAR
Cortex XSIAM

How to mitigate CVE-2026-0234

Install updates from vendor's website.

Cortex XSOAR - update to 1.5.52
Cortex XSIAM - update to 1.5.52

External References

Related Security Bulletins