CVE-2026-16791: Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI

Q: What is the severity of CVE-2026-16791?

The severity of CVE-2026-16791 is low.

Q: How do I fix CVE-2026-16791?

To fix CVE-2026-16791, update Lenovo XClarity Essentials OneCLI to version 5.5.1 or later.

Q: What systems are affected by CVE-2026-16791?

CVE-2026-16791 affects the Linux version of Lenovo XClarity Essentials OneCLI version 5.5.0 and below.

Q: Can CVE-2026-16791 be exploited remotely?

No, CVE-2026-16791 requires local access to exploit the vulnerability.

Q: What type of attacks can CVE-2026-16791 facilitate?

CVE-2026-16791 can facilitate local attacks that allow low-privileged users to overwrite or truncate arbitrary local files.

Published Aug 4, 2026

Updated

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.

Affected Software

1 affected component

Lenovo XClarity Essentials OneCLI<=5.5.0

Event History

Aug 4, 2026

CVE Published

via MITRE·07:47 PM

Data Sourced

via MITRE·07:47 PM

RemedyDescriptionSeverityWeakness

Data Sourced

via NVD·08:16 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2026-16791?

The severity of CVE-2026-16791 is low.

How do I fix CVE-2026-16791?

To fix CVE-2026-16791, update Lenovo XClarity Essentials OneCLI to version 5.5.1 or later.

What systems are affected by CVE-2026-16791?

CVE-2026-16791 affects the Linux version of Lenovo XClarity Essentials OneCLI version 5.5.0 and below.

Can CVE-2026-16791 be exploited remotely?

No, CVE-2026-16791 requires local access to exploit the vulnerability.

What type of attacks can CVE-2026-16791 facilitate?

CVE-2026-16791 can facilitate local attacks that allow low-privileged users to overwrite or truncate arbitrary local files.

CVE-2026-16791: Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI

Affected Software

Event History

Don't miss critical vulnerabilities

Frequently Asked Questions

What is the severity of CVE-2026-16791?

How do I fix CVE-2026-16791?

What systems are affected by CVE-2026-16791?

Can CVE-2026-16791 be exploited remotely?

What type of attacks can CVE-2026-16791 facilitate?

Company

Resources

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Frequently Asked Questions

What is the severity of CVE-2026-16791?

How do I fix CVE-2026-16791?

What systems are affected by CVE-2026-16791?

Can CVE-2026-16791 be exploited remotely?

What type of attacks can CVE-2026-16791 facilitate?