Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI
Priority LOW 6CWE-377Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00126 2nd percentileScored 2026-11-07
Fix Fixed XClarity Essentials OneCLI (Lenovo): 5.6
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA XClarity Essentials OneCLI (Lenovo) Fixed in 5.6
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16791
- 2026-10-03 Alias added: GHSA-frpq-fxq8-73pm
References
More Lenovo vulnerabilities
- TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07516 Insecure Platform Key (PK) used in UEFI system firmware signature CVSS 3.1MEDIUM 6.4
- TI-2017-13070 OpenSLP releases in the 1.0.2 and 1.1.0 code streams have a heap-related memory… CVSS 3.0CRITICAL 9.8
- TI-2017-02875 OS command injection in Lenovo Service Framework application CVSS 3.0CRITICAL 9.8
- TI-2013-01192 Untrusted search path vulnerability in Lenovo Thinkpad Bluetooth with Enhanced Data Rate… CVSS 2.0HIGH 9.3
- TI-2026-53163 Hard-coded credentials in Lenovo Health Application CVSS 4.0CRITICAL 9.3
Sources
- CVE-2026-16791 · CVE Program
- CVE-2026-16791 · NVD
- FIRST EPSS
- GHSA-frpq-fxq8-73pm · GitHub Advisory Database · CC BY 4.0
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