CVE-2026-16791

LOWPre-NVD 3.93.9—
EchelonGraph scoreHIGH confidence

Score 3.9 from GitHub Security Advisory (severity: LOW) published 2026-08-04. a secondary CVSS source baseline 3.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
3.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.9Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
3.9
EG Score
3.9(high)
EG Risk
18(Track)
EG Risk 18/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity39% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

August 4, 2026

Last Modified

August 5, 2026

References (1)

Vendor Advisories for CVE-2026-16791(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 23× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-18 13:48 UTCEPSS rescore
  2. 2026-08-17 23:47 UTCEG score recompute
  3. 2026-08-17 23:47 UTCGHSA enrichment
  4. 2026-08-17 13:47 UTCEPSS rescore
  5. 2026-08-16 02:14 UTCEPSS rescore
  6. 2026-08-15 01:30 UTCEPSS rescore
  7. 2026-08-14 21:58 UTCEG score recompute
  8. 2026-08-14 21:58 UTCGHSA enrichment
  9. 2026-08-13 22:00 UTCEPSS rescore
  10. 2026-08-11 20:09 UTCEG score recompute
  11. 2026-08-11 20:09 UTCGHSA enrichment
  12. 2026-08-09 13:46 UTCEPSS rescore
  13. 2026-08-08 18:21 UTCEG score recompute
  14. 2026-08-08 18:21 UTCGHSA enrichment
  15. 2026-08-08 16:37 UTCEPSS rescore
  16. 2026-08-05 19:17 UTCEPSS rescore
  17. 2026-08-05 16:31 UTCEG score recompute
  18. 2026-08-05 16:31 UTCGHSA enrichment
  19. 2026-08-05 15:29 UTCEG score recompute
  20. 2026-08-05 15:29 UTCGHSA enrichment
  21. 2026-08-04 20:32 UTCEG score recompute
  22. 2026-08-04 20:06 UTCEG score recompute
  23. 2026-08-04 20:06 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16791?
CVE-2026-16791 is a low vulnerability published on August 4, 2026. 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.
When was CVE-2026-16791 disclosed?
CVE-2026-16791 was first published in the National Vulnerability Database on August 4, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16791 actively exploited?
CVE-2026-16791 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 99.6% of all scored CVEs.
What is the CVSS score of CVE-2026-16791?
CVE-2026-16791 has a CVSS v3 base score of 3.9 (NVD).
How do I remediate CVE-2026-16791?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16791, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-16791

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