CVE-2026-16791

Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI

Published Aug 4, 2026 CVSS 4.0 · 1 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

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

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI
First Time appeared Lenovo
Lenovo xclarity Essentials Onecli
Weaknesses CWE-377
CPEs cpe:2.3:a:lenovo:xclarity_essentials_onecli:*:*:linux:*:*:*:*:*
Vendors & Products Lenovo
Lenovo xclarity Essentials Onecli
References
Metrics cvssV3_1

{'score': 3.9, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L'}

cvssV4_0

{'score': 1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
lenovo
Published
Updated
Aug 5, 2026, 3:08 PM
Reserved
Jul 23, 2026, 6:03 PM
Status
Awaiting Analysis
Published
Aug 4, 2026, 8:16 PM
Modified
Oct 24, 2026, 4:10 PM