CVE-2026-0234
9.1 · CRITICALOverview
CVE-2026-0234 is a critical-severity vulnerability affecting paloaltonetworks cortex_xsiam. It was published on April 13, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from paloaltonetworks. Update cortex_xsiam to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| paloaltonetworks | cortex_xsiam | >= 1.5.0, < 1.5.52 | Affected |
| paloaltonetworks | cortex_xsoar | >= 1.5.0, < 1.5.52 | Affected |
Frequently Asked Questions
What is CVE-2026-0234?
CVE-2026-0234 is a critical-severity vulnerability affecting paloaltonetworks cortex_xsiam. It was published on April 13, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2026-0234?
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-0234?
Check the references section for vendor advisories and patches from paloaltonetworks. Update cortex_xsiam to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-0234?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-0234 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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