{"id":"CVE-2026-106126","state":"PUBLISHED","title":"Command Injection","description":"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.","publishedAt":"2026-10-08T19:47:35.912Z","updatedAt":"2026-10-08T20:14:59.908Z","severity":{"score":9.4,"label":"Critical","version":"4.0","vector":"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","source":"tenable"},"assigner":"tenable","products":["Tenable, Inc. Tenable Identity Exposure (SaaS)"],"affected":[{"vendor":"Tenable, Inc.","product":"Tenable Identity Exposure (SaaS)","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"3.126.0","versionType":"semver"}],"platforms":["Windows"]}],"references":["https://www.tenable.com/security/tns-2026-27"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/106xxx/CVE-2026-106126.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106126","state":"PUBLISHED","datePublished":"2026-10-08T19:47:35.912Z","dateUpdated":"2026-10-08T20:14:59.908Z","assignerShortName":"tenable","assignerOrgId":"5ac1ecc2-367a-4d16-a0b2-35d495ddd0be","dateReserved":"2026-10-06T15:41:52.906Z"},"containers":{"cna":{"title":"Command Injection","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."}],"affected":[{"vendor":"Tenable, Inc.","product":"Tenable Identity Exposure (SaaS)","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"3.126.0","versionType":"semver"}],"platforms":["Windows"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"tenable","orgId":"5ac1ecc2-367a-4d16-a0b2-35d495ddd0be","dateUpdated":"2026-10-08T19:47:35.912Z"},"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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-08T20:14:59.908Z"}}]}}}