What is CVE-2026-16791?

CVE-2026-16791 is a low-severity vulnerability in Lenovo Xclarity Essentials Onecli, classified under Insecure Temporary File. CVSS score: 3.9/10. Published 2026-08-04.

How severe is CVE-2026-16791?

Low severity. CVSS v3 base score is 3.9 out of 10.

Vulnerability in Lenovo Xclarity Essentials Onecli

CVE-2026-16791

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 O…

CVSS v3 metric

CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L.

Affected products

Lenovo Xclarity Essentials Onecli — versions 0

Weakness classification (CWE)

CWE-377 — Insecure Temporary File

References

psirt@lenovo.com (release-notes, product, patch)

Frequently asked questions

What is CVE-2026-16791?: CVE-2026-16791 is a low-severity vulnerability in Lenovo Xclarity Essentials Onecli, classified under Insecure Temporary File. CVSS score: 3.9/10. Published 2026-08-04.
How severe is CVE-2026-16791?: Low severity. CVSS v3 base score is 3.9 out of 10.