{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-16791", "assignerOrgId": "da227ddf-6e25-4b41-b023-0f976dcaca4b", "state": "PUBLISHED", "assignerShortName": "lenovo", "dateReserved": "2026-07-23T18:03:47.226Z", "datePublished": "2026-08-04T19:47:55.096Z", "dateUpdated": "2026-08-05T15:08:08.310Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "da227ddf-6e25-4b41-b023-0f976dcaca4b", "shortName": "lenovo", "dateUpdated": "2026-08-04T19:47:55.096Z" }, "title": "Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI", "datePublic": "2026-08-04T13:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-377", "description": "CWE-377: Insecure Temporary File", "type": "CWE" } ] } ], "affected": [ { "vendor": "Lenovo", "product": "XClarity Essentials OneCLI", "platforms": [ "Linux" ], "versions": [ { "status": "affected", "version": "0", "lessThan": "5.6", "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:lenovo:xclarity_essentials_onecli:*:*:linux:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "5.6" } ] } ] } ], "descriptions": [ { "lang": "en", "value": "A temporary file creation vulnerability in the Linux version of Lenovo XClarity Essentials OneCLI 5.5.0 and below could allow a local low-privileged attacker to overwrite or truncate arbitrary local files with program-generated data when OneCLI is executed with elevated privileges.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "A temporary file creation vulnerability in the Linux version of Lenovo XClarity Essentials OneCLI 5.5.0 and below could allow a local low-privileged attacker to overwrite or truncate arbitrary local files with program-generated data when OneCLI is executed with elevated privileges." } ] } ], "references": [ { "url": "https://support.lenovo.com/us/en/solutions/ht116433", "tags": [ "patch", "release-notes", "product" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseSeverity": "LOW", "baseScore": 3.9, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "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": "LOW", "baseScore": 1, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N" } } ], "solutions": [ { "lang": "en", "value": "Update the Linux version of Lenovo XClarity Essentials OneCLI to the version indicated in the advisory or higher - https://support.lenovo.com/us/en/solutions/ht116433", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Update the Linux version of Lenovo XClarity Essentials OneCLI to the version indicated in the advisory or higher - https://support.lenovo.com/us/en/solutions/ht116433" } ] } ], "credits": [ { "lang": "en", "value": "Lenovo thanks Christopher Lusk of North Echo Security Research for reporting this vulnerability.", "type": "finder" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.0-beta" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-05T15:06:03.491956Z", "id": "CVE-2026-16791", "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": "2026-08-05T15:08:08.310Z" } } ] } }