Critical [CVE-2026-0234] improper verification of cryptographic signature vulnerability exists in Cortex XSOAR and Cortex XSIAM platforms during…
This critical-severity Palo Alto Networks advisory covers CVE-2026-0234 affecting Cortex XSOAR.
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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.
- Cortex XSOAR Microsoft Teams Marketplace < 1.5.52
- Cortex XSIAM Microsoft Teams Marketplace < 1.5.52
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- Cortex XSOAR Microsoft Teams Marketplace >= 1.5.52
- Cortex XSIAM Microsoft Teams Marketplace >= 1.5.52
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- VersionMinor VersionSuggested Solution Cortex XSOAR Microsoft Teams Marketplace 1.5 1.5.0 through 1.5.51 Upgrade to 1.5.52 or later.
- Cortex XSIAM Microsoft Teams Marketplace 1.5 1.5.0 through 1.5.51 Upgrade to 1.5.52 or later.
- No known workarounds exist for this issue.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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