CVE-2026-9156

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9156", "assignerOrgId": "3938794e-25f5-4123-a1ba-5cbd7f104512", "state": "PUBLISHED", "assignerShortName": "Tanium", "dateReserved": "2026-05-21T01:21:38.154Z", "datePublished": "2026-05-27T01:19:26.286Z", "dateUpdated": "2026-05-27T13:50:44.570Z"}, "containers": {"cna": {"affected": [{"product": "Tanium Server", "vendor": "Tanium", "versions": [{"version": "7.6.4.0", "status": "affected", "lessThan": "7.6.4.2190", "versionType": "custom"}, {"version": "7.7.3.0", "status": "affected", "lessThan": "7.7.3.8274", "versionType": "custom"}, {"version": "7.8.2.0", "status": "affected", "lessThan": "7.8.2.1176", "versionType": "custom"}]}], "dateAssigned": "2026-05-21T01:21:37.531Z", "datePublic": "2026-05-27T01:19:03.729Z", "descriptions": [{"lang": "en", "value": "Tanium addressed a denial of service vulnerability in Tanium Server."}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-772", "description": "Missing Release of Resource after Effective Lifetime", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "3938794e-25f5-4123-a1ba-5cbd7f104512", "shortName": "Tanium", "dateUpdated": "2026-05-27T01:19:26.286Z"}, "references": [{"name": "TAN-2026-013", "url": "https://security.tanium.com/TAN-2026-013"}], "title": "Tanium addressed a denial of service vulnerability in Tanium Server."}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-27T13:50:31.230808Z", "id": "CVE-2026-9156", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-27T13:50:44.570Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-9156", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-27T13:50:31.230808Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-27T13:50:39.783Z"}}], "cna": {"title": "Tanium addressed a denial of service vulnerability in Tanium Server.", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}}], "affected": [{"vendor": "Tanium", "product": "Tanium Server", "versions": [{"status": "affected", "version": "7.6.4.0", "lessThan": "7.6.4.2190", "versionType": "custom"}, {"status": "affected", "version": "7.7.3.0", "lessThan": "7.7.3.8274", "versionType": "custom"}, {"status": "affected", "version": "7.8.2.0", "lessThan": "7.8.2.1176", "versionType": "custom"}]}], "datePublic": "2026-05-27T01:19:03.729Z", "references": [{"url": "https://security.tanium.com/TAN-2026-013", "name": "TAN-2026-013"}], "dateAssigned": "2026-05-21T01:21:37.531Z", "descriptions": [{"lang": "en", "value": "Tanium addressed a denial of service vulnerability in Tanium Server."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-772", "description": "Missing Release of Resource after Effective Lifetime"}]}], "providerMetadata": {"orgId": "3938794e-25f5-4123-a1ba-5cbd7f104512", "shortName": "Tanium", "dateUpdated": "2026-05-27T01:19:26.286Z"}}}, "cveMetadata": {"cveId": "CVE-2026-9156", "state": "PUBLISHED", "dateUpdated": "2026-05-27T13:50:44.570Z", "dateReserved": "2026-05-21T01:21:38.154Z", "assignerOrgId": "3938794e-25f5-4123-a1ba-5cbd7f104512", "datePublished": "2026-05-27T01:19:26.286Z", "assignerShortName": "Tanium"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Tanium Server", "vendor": "Tanium", "versions": [{"lessThan": "7.6.4.2190", "status": "affected", "version": "7.6.4.0", "versionType": "custom"}, {"lessThan": "7.7.3.8274", "status": "affected", "version": "7.7.3.0", "versionType": "custom"}, {"lessThan": "7.8.2.1176", "status": "affected", "version": "7.8.2.0", "versionType": "custom"}]}], "source": "3938794e-25f5-4123-a1ba-5cbd7f104512"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*", "matchCriteriaId": "1B1353A9-B83C-4FC6-AF95-CB3DF455405E", "versionEndExcluding": "7.6.4.2190", "versionStartIncluding": "7.6.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*", "matchCriteriaId": "44C67EDB-B43D-4F92-A701-61E46D46C7F0", "versionEndExcluding": "7.7.3.8274", "versionStartIncluding": "7.7.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*", "matchCriteriaId": "8FAB89DE-F2CA-4CEE-AB92-3387B6D23931", "versionEndExcluding": "7.8.2.1176", "versionStartIncluding": "7.8.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Tanium addressed a denial of service vulnerability in Tanium Server."}, {"lang": "es", "value": "Tanium abord\u00f3 una vulnerabilidad de denegaci\u00f3n de servicio en Tanium Server."}], "id": "CVE-2026-9156", "lastModified": "2026-07-23T11:10:00.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "3938794e-25f5-4123-a1ba-5cbd7f104512", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9156", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-27T13:50:31.230808Z", "version": "2.0.3"}}]}, "published": "2026-05-27T02:16:35.003", "references": [{"source": "3938794e-25f5-4123-a1ba-5cbd7f104512", "tags": ["Vendor Advisory"], "url": "https://security.tanium.com/TAN-2026-013"}], "sourceIdentifier": "3938794e-25f5-4123-a1ba-5cbd7f104512", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-772"}], "source": "3938794e-25f5-4123-a1ba-5cbd7f104512", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[7.6.4.0,7.6.4.2190)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[7.7.3.0,7.7.3.8274)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[7.8.2.0,7.8.2.1176)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Tanium Server", "source": "cna", "vendor": "Tanium"}, "product": "tanium_server", "vendor": "tanium"}], "created": "2026-05-27T03:30:06.047134+00:00", "updated": "2026-05-27T04:30:15.810326+00:00", "vendors": ["tanium", "tanium$PRODUCT$tanium_server"]}