CVE-2026-0234NVD

Vulnerability Summary

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.

Severity Level

UNKNOWN

Published Date

Apr 13, 2026

Last Modified

Apr 14, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.02%Probability

Root Weakness (CWE)

CWE-347: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 7.2 (HIGH)

Attack VectorNetwork

Attack ComplexityHigh

Attack RequirementsPresent

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace >= 1.5.0 and < 1.5.52
Palo Alto Networks Cortex XSIAM Microsoft Teams Marketplace >= 1.5.0 and < 1.5.52

Patched Versions

Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace 1.5.52
Palo Alto Networks Cortex XSIAM Microsoft Teams Marketplace 1.5.52

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