CVE-2026-16791
Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI
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.
- Record
CVE-2026-16791- CVSS 4.0
- 1.0 Low
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 - CVSS 3.1
- 3.9 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L - Weakness
- CWE-377
- Updated
- 2026-11-02
EUVDEUVD-2026-52884
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.
- Record
EUVD-2026-52884- CVSS 4.0
- 1.0 Low
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-frpq-fxq8-73pm
A temporary file creation vulnerability in the Linux version of Lenovo XClarity Essentials OneCLI...
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.
- Record
GHSA-frpq-fxq8-73pm- CVSS 4.0
- 1.0 Low
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 3.9 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L - Weakness
- CWE-377
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-16791- CVSS 4.0
- 1.0 Low
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 3.9 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L - Weakness
- CWE-377
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-16791 is a low vulnerability (CVSS 1.0) in Lenovo Xclarity Essentials Onecli, published August 4, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. No source names a fixed version.