CVE-2026-64881

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64881", "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "state": "PUBLISHED", "assignerShortName": "tenable", "dateReserved": "2026-07-20T19:19:24.798Z", "datePublished": "2026-07-21T20:09:50.741Z", "dateUpdated": "2026-07-24T03:55:55.735Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable", "dateUpdated": "2026-07-21T20:09:50.741Z"}, "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": "Security Center", "platforms": ["Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "6.8.0", "changes": [{"at": "Patch SC202607.1", "status": "unaffected"}], "versionType": "semver"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability."}]}], "references": [{"url": "https://www.tenable.com/security/tns-2026-19"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "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": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "Tenable has released Security Center Patch SC202607.1 to address these issues. The installation files can be obtained from the Tenable Downloads Portal:\u00a0 https://www.tenable.com/downloads/security-center", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Tenable has released Security Center Patch SC202607.1 to address these issues. The installation files can be obtained from the Tenable Downloads Portal:&nbsp;<a href=\"https://www.tenable.com/downloads/security-center\" title=\"Downloads\">https://www.tenable.com/downloads/security-center</a>"}]}], "x_generator": {"engine": "Vulnogram 1.0.4"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-23T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-64881"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-24T03:55:55.735Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64881", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-22T19:35:30.954547Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-22T19:33:32.678Z"}}], "cna": {"title": "Command Injection", "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Tenable, Inc.", "product": "Security Center", "versions": [{"status": "affected", "changes": [{"at": "Patch SC202607.1", "status": "unaffected"}], "version": "0", "lessThan": "6.8.0", "versionType": "semver"}], "platforms": ["Linux"], "defaultStatus": "affected"}], "solutions": [{"lang": "en", "value": "Tenable has released Security Center Patch SC202607.1 to address these issues. The installation files can be obtained from the Tenable Downloads Portal:\u00a0 https://www.tenable.com/downloads/security-center", "supportingMedia": [{"type": "text/html", "value": "Tenable has released Security Center Patch SC202607.1 to address these issues. The installation files can be obtained from the Tenable Downloads Portal:&nbsp;<a href=\"https://www.tenable.com/downloads/security-center\" title=\"Downloads\">https://www.tenable.com/downloads/security-center</a>", "base64": false}]}], "references": [{"url": "https://www.tenable.com/security/tns-2026-19"}], "x_generator": {"engine": "Vulnogram 1.0.4"}, "descriptions": [{"lang": "en", "value": "The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability.", "supportingMedia": [{"type": "text/html", "value": "The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-78", "description": "CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')"}]}], "providerMetadata": {"orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable", "dateUpdated": "2026-07-21T20:09:50.741Z"}}}, "cveMetadata": {"cveId": "CVE-2026-64881", "state": "PUBLISHED", "dateUpdated": "2026-07-22T19:41:24.916Z", "dateReserved": "2026-07-20T19:19:24.798Z", "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "datePublished": "2026-07-21T20:09:50.741Z", "assignerShortName": "tenable"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "platforms": ["Linux"], "product": "Security Center", "vendor": "Tenable, Inc.", "versions": [{"changes": [{"at": "Patch SC202607.1", "status": "unaffected"}], "lessThan": "6.8.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tenable:security_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "976FA116-4533-441B-BC65-FC30D4E13F6C", "versionEndIncluding": "6.8.0", "versionStartIncluding": "6.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability."}, {"lang": "es", "value": "El gestor de carga de archivos de auditor\u00eda no sanea los nombres de archivo, permitiendo que los metacaracteres de shell fluyan hacia la ejecuci\u00f3n de comandos del sistema. Este fallo de validaci\u00f3n de entrada habilita la inyecci\u00f3n de comandos cuando se encadena con una vulnerabilidad relacionada."}], "id": "CVE-2026-64881", "lastModified": "2026-10-24T19:10:00.127", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "vulnreport@tenable.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vulnreport@tenable.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64881", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-23T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-07-21T21:16:53.880", "references": [{"source": "vulnreport@tenable.com", "tags": ["Patch"], "url": "https://www.tenable.com/security/tns-2026-19"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "vulnreport@tenable.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,6.8.0)"}}, {"platform": ["linux"], "status": "unaffected", "versions": {"scheme": "generic", "value": "Patch SC202607.1"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Security Center", "source": "cna", "vendor": "Tenable, Inc."}, "product": "security_center", "vendor": "tenable"}], "created": "2026-07-23T10:45:02.640066+00:00", "updated": "2026-08-04T18:00:14.129309+00:00", "vendors": ["tenable", "tenable$PRODUCT$security_center"]}