CVE-2026-0234Critical· 9.1▾ MidnightAn 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.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 50.1 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 1.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
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.
cortex_xsiam >= 1.5.0, < 1.5.52cortex_xsoar >= 1.5.0, < 1.5.52Upgrade past the affected range:
cortex_xsiam 1.5.52cortex_xsoar 1.5.52Connected by shared product, vendor, weakness, or advisory.
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