{"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": "2026-08-04T19:47:55.096Z"}, "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 -\u00a0https://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"}}}}