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{"cveTags": [], "descriptions": [{"lang": "en", "value": "CrowdStrike has released security updates to address a critical unauthenticated path traversal vulnerability (CVE-2026-40050) in LogScale. This vulnerability only requires mitigation by customers that host specific versions of LogScale and does not affect Next-Gen SIEM customers. The vulnerability exists in a specific cluster API endpoint that, if exposed, allows a remote attacker to read arbitrary files from the server filesystem without authentication.\n\nNext-Gen SIEM customers are not affected and do not need to take any action. CrowdStrike mitigated the vulnerability for LogScale SaaS customers by deploying network-layer blocks to all clusters on April 7, 2026. We have proactively reviewed all log data and there is no evidence of exploitation.\n\nLogScale Self-hosted customers should upgrade to a patched version immediately to remediate the vulnerability.\n\nCrowdStrike identified this vulnerability during continuous and ongoing product testing."}], "id": "CVE-2026-40050", "lastModified": "2026-04-22T21:24:26.997", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "13ddcd98-6f4a-40a8-8e24-29ca0aee4661", "type": "Secondary"}]}, "published": "2026-04-21T17:16:53.610", "references": [{"source": "13ddcd98-6f4a-40a8-8e24-29ca0aee4661", "url": "https://www.crowdstrike.com/en-us/security-advisories/cve-2026-40050/"}], "sourceIdentifier": "13ddcd98-6f4a-40a8-8e24-29ca0aee4661", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-306"}], "source": "13ddcd98-6f4a-40a8-8e24-29ca0aee4661", "type": "Secondary"}]}

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