{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87986","assignerOrgId":"6f8de1f0-f67e-45a6-b68f-98777fdb759c","state":"PUBLISHED","assignerShortName":"HiddenLayer","dateReserved":"2026-09-09T19:14:18.451Z","datePublished":"2026-09-11T14:31:20.859Z","dateUpdated":"2026-09-11T14:57:01.512Z"},"containers":{"cna":{"providerMetadata":{"orgId":"6f8de1f0-f67e-45a6-b68f-98777fdb759c","shortName":"HiddenLayer","dateUpdated":"2026-09-11T14:31:20.859Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-228","description":"CWE-228: Improper Handling of Syntactically Invalid Structure","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-43","descriptions":[{"lang":"en","value":"CAPEC-43 Exploiting Multiple Input Interpretation Layers"}]}],"affected":[{"vendor":"mistralai","product":"mistral-vibe","repo":"https://github.com/mistralai/mistral-vibe","versions":[{"status":"affected","version":"1.3.4","lessThanOrEqual":"*","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using shell constructs it's parser cannot interpret. Unparsed portions are omitted from inspection, enabling embedded commands to execute on the user's system without approval.","supportingMedia":[{"type":"text/html","base64":false,"value":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using shell constructs it's parser cannot interpret. Unparsed portions are omitted from inspection, enabling embedded commands to execute on the user's system without approval."}]}],"references":[{"url":"https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe4"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"HIGH","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"CRITICAL","baseScore":10,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-87986","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-11T14:53:56.024113Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-11T14:57:01.512Z"}}]}}