CVE-2026-0234

Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration

State: Published
Severity: 7.2 High
Published: Apr 13, 2026
Updated: Apr 14, 2026
Reserved: Nov 3, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	7.2 High	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	palo_alto

Weaknesses

CWE-347 Improper Verification of Cryptographic Signature

Affected Products

Product	Versions
Cortex XSOAR Microsoft Teams MarketplacePalo Alto Networks	1.5.0 to before 1.5.52Affectedfrom 1.5.52Not affected
Cortex XSIAM Microsoft Teams MarketplacePalo Alto Networks	1.5.0 to before 1.5.52Affectedfrom 1.5.52Not affected

References

https://security.paloaltonetworks.com/CVE-2026-0234vendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.