{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104809","assignerOrgId":"455daabc-a392-441d-aa46-37d35189897c","state":"PUBLISHED","assignerShortName":"NCSC.ch","dateReserved":"2026-10-02T13:47:47.693Z","datePublished":"2026-10-05T08:32:14.233Z","dateUpdated":"2026-10-05T12:55:24.978Z"},"containers":{"cna":{"providerMetadata":{"orgId":"455daabc-a392-441d-aa46-37d35189897c","shortName":"NCSC.ch","dateUpdated":"2026-10-05T08:32:14.233Z"},"title":"Mitel MiVoice Office 400 Shared Object Hijacking Leading to Arbitrary Code Execution","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-73","description":"CWE-73 External control of file name or path","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-494","description":"CWE-494 Download of code without integrity check","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-829","description":"CWE-829 Inclusion of functionality from untrusted control sphere","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-426","description":"CWE-426 — Untrusted Search Path","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-427","description":"CWE-427 — Uncontrolled Search Path Element","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-471","descriptions":[{"lang":"en","value":"CAPEC-471 — Search Order Hijacking"}]},{"capecId":"CAPEC-159","descriptions":[{"lang":"en","value":"CAPEC-159 — Redirect Access to Libraries"}]},{"capecId":"CAPEC-642","descriptions":[{"lang":"en","value":"CAPEC-642 — Replace Binaries"}]}],"affected":[{"vendor":"Mitel","product":"Mitel MiVoice Office 400","platforms":["Linux"],"versions":[{"status":"affected","version":"11.0.96.0"}],"defaultStatus":"unknown"}],"descriptions":[{"lang":"en","value":"DigitalCanion has discovered a vulnerability that allows an attacker to cause the system to load an attacker-controlled .so file instead of the expected legitimate module. The loading mechanism relies on a predictable module name without adequately verifying the file’s origin or integrity. A malicious shared object using the expected name can therefore be loaded by a privileged process. The module code then executes within the context and privileges of that process. This results in arbitrary code execution and full compromise of the Mitel Linux virtual machine.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div>DigitalCanion has discovered a vulnerability that allows an attacker to cause the system to load an attacker-controlled <code>.so</code> file instead of the expected legitimate module. The loading mechanism relies on a predictable module name without adequately verifying the file’s origin or integrity. A malicious shared object using the expected name can therefore be loaded by a privileged process. The module code then executes within the context and privileges of that process. This results in arbitrary code execution and full compromise of the Mitel Linux virtual machine.</div><div><br></div><div></div><div><div><div>\n</div></div><div></div></div><div><br></div>"}]}],"references":[{"url":"https://digitalcanion.com/en/security-research/#vendor=mitel&status=cna"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"HIGH","exploitMaturity":"PROOF_OF_CONCEPT","Safety":"NOT_DEFINED","Automatable":"YES","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"AMBER","version":"4.0","baseSeverity":"HIGH","baseScore":8.4,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/AU:Y/U:Amber"}}],"credits":[{"lang":"en","value":"Brian Mariani from DigitalCanion SA","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-05T12:53:58.881891Z","id":"CVE-2026-104809","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-05T12:55:24.978Z"}}]}}