{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106126","assignerOrgId":"5ac1ecc2-367a-4d16-a0b2-35d495ddd0be","state":"PUBLISHED","assignerShortName":"tenable","dateReserved":"2026-10-06T15:41:52.906Z","datePublished":"2026-10-08T19:47:35.912Z","dateUpdated":"2026-10-08T20:14:59.908Z"},"containers":{"cna":{"providerMetadata":{"orgId":"5ac1ecc2-367a-4d16-a0b2-35d495ddd0be","shortName":"tenable","dateUpdated":"2026-10-08T19:47:35.912Z"},"title":"Command Injection","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-78","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","type":"CWE"}]}],"affected":[{"vendor":"Tenable, Inc.","product":"Tenable Identity Exposure (SaaS)","platforms":["Windows"],"versions":[{"status":"affected","version":"0","lessThan":"3.126.0","versionType":"semver"}],"defaultStatus":"affected"}],"descriptions":[{"lang":"en","value":"A command injection vulnerability in the Active Directory Events Listener of Tenable Identity Exposure (SaaS) allows an authenticated, low-privileged attacker to execute arbitrary commands as SYSTEM on the PDCe.","supportingMedia":[{"type":"text/html","base64":false,"value":"A command injection vulnerability in the Active Directory Events Listener of Tenable Identity Exposure (SaaS) allows an authenticated, low-privileged attacker to execute arbitrary commands as SYSTEM on the PDCe."}]}],"references":[{"url":"https://www.tenable.com/security/tns-2026-27"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9.9,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","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":9.4,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"}}],"solutions":[{"lang":"en","value":"To fully resolve this issue, existing installations must run Register-TenableIOA.ps1 -Uninstall and reinstall the listener after upgrading. Please see the full release notes for additional instructions. ( https://docs.tenable.com/identity-exposure.htm )","supportingMedia":[{"type":"text/html","base64":false,"value":"To fully resolve this issue, existing installations <strong>must</strong> run <code>Register-TenableIOA.ps1 -Uninstall</code> and reinstall the listener after upgrading. Please see the full release notes for additional instructions. (<a href=\"https://docs.tenable.com/identity-exposure.htm\">https://docs.tenable.com/identity-exposure.htm</a>)"}]}],"credits":[{"lang":"en","value":"Takumi Ito","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-08T20:14:50.276958Z","id":"CVE-2026-106126","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":"2026-10-08T20:14:59.908Z"}}]}}