{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2026-0234","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-04-08T18:14:05.374Z","generator":{"date":"2026-04-08T18:14:05.374Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2026-0234","initial_release_date":"2026-04-08T16:00:00.000Z","revision_history":[{"number":"1","date":"2026-04-08T09:00:00.000Z","summary":"Initial Publication"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[{"name":"Cortex XSOAR Microsoft Teams Marketplace","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/Cortex XSOAR Microsoft Teams Marketplace<1.5.52","product":{"name":"Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace","product_id":"PANW-Cortex-XSOAR-Microsoft-Teams-Marketplace-1"}},{"category":"product_version_range","name":"vers:generic/Cortex XSOAR Microsoft Teams Marketplace>=1.5.52","product":{"name":"Palo Alto Networks Cortex XSOAR Microsoft Teams Marketplace","product_id":"PANW-Cortex-XSOAR-Microsoft-Teams-Marketplace-1"}}]},{"name":"Cortex XSIAM Microsoft Teams Marketplace","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/Cortex XSIAM Microsoft Teams Marketplace<1.5.52","product":{"name":"Palo Alto Networks Cortex XSIAM Microsoft Teams Marketplace","product_id":"PANW-Cortex-XSIAM-Microsoft-Teams-Marketplace-1"}},{"category":"product_version_range","name":"vers:generic/Cortex XSIAM Microsoft Teams Marketplace>=1.5.52","product":{"name":"Palo Alto Networks Cortex XSIAM Microsoft Teams Marketplace","product_id":"PANW-Cortex-XSIAM-Microsoft-Teams-Marketplace-1"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-0234","product_status":{"fixed":["PANW-Cortex-XSOAR-Microsoft-Teams-Marketplace-1","PANW-Cortex-XSIAM-Microsoft-Teams-Marketplace-1"],"known_affected":["PANW-Cortex-XSOAR-Microsoft-Teams-Marketplace-1","PANW-Cortex-XSIAM-Microsoft-Teams-Marketplace-1"]},"notes":[{"category":"description","text":"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. \n"}],"references":[{"category":"external","summary":"NVD - CVE-2026-0234","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0234"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2026-0234","url":"https://security.paloaltonetworks.com/CVE-2026-0234"}],"threats":[{"category":"impact","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. \n"}],"scores":[{"cvss_v4":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"RED","exploitMaturity":"UNREPORTED","baseSeverity":"CRITICAL","baseScore":9.2,"threatSeverity":"HIGH","threatScore":7.2,"vectorString":"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"},"products":["PANW-Cortex-XSOAR-Microsoft-Teams-Marketplace-1","PANW-Cortex-XSIAM-Microsoft-Teams-Marketplace-1"]}]}]}