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High 7.2Published Apr 13, 2026

CVE-2026-0234Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration

Updated under an hour ago ()

Does this affect you?

It affects Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
7.2 HIGH (v4.0, CNA)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
Weakness (CWE)
CWE-347
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
palo_alto
NVD analysis
Undergoing Analysis
Record last updated
Apr 13, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace
palo_alto_networks:cortex_xsoar_microsoft_teams_marketplace (from the name)
from 1.5.0 before 1.5.52; fixed at 1.5.52
CNA record
Palo Alto Networks Cortex XSIAM Microsoft Teams Marketplace
palo_alto_networks:cortex_xsiam_microsoft_teams_marketplace (from the name)
from 1.5.0 before 1.5.52; fixed at 1.5.52
CNA record
paloaltonetworks cortex_xsiam
paloaltonetworks:cortex_xsiam
from 1.5.0 before 1.5.52
NVD
paloaltonetworks cortex_xsoar
paloaltonetworks:cortex_xsoar
from 1.5.0 before 1.5.52
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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