CVE-2026-0234
criticalAn improper verification of cryptographic signature vulnerability exists in Cortex XSOAR and Cortex XSIAM platforms during integration of Microsoft Teams that…
Vendor / product: Paloaltonetworks — cortex xsiam
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
9.1
9.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-04-13 08:16
Modified: 2026-10-26 21:10
NVD status: Undergoing Analysis
Last synced 2 days ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
paloaltonetworks / cortex_xsiam ≥1.5.0 <1.5.52
paloaltonetworks / cortex_xsoar ≥1.5.0 <1.5.52
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://security.paloaltonetworks.com/CVE-2026-0234
References
- https://security.paloaltonetworks.com/CVE-2026-0234 psirt@paloaltonetworks.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗
