CVE-2026-73709

HIGHPre-NVD 8.38.3—
EchelonGraph scoreHIGH confidence

Score 8.3 from GitHub Security Advisory (severity: HIGH) published 2026-09-01. a secondary CVSS source baseline 8.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.3Exploit: None knownExposed: 0

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

A vulnerability in the underlying operating system of HPE Networking Fabric Composer could allow an unauthenticated adjacent attacker to run arbitrary commands on the underlying host if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system.

CVSS v3
8.3
EG Score
8.3(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity83% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

September 1, 2026

Last Modified

September 2, 2026

Advisory Details (1)

Auto-updated Sep 1, 2026
No patch confirmed yet.
generic
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US

Vendor Advisories for CVE-2026-73709(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 26× in last 7d / 77× 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. 2026-09-21 11:45 UTCGHSA enrichment
  2. 2026-09-20 23:20 UTCEG score recompute
  3. 2026-09-20 23:20 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-20 10:49 UTCGHSA enrichment
  6. 2026-09-19 22:23 UTCEG score recompute
  7. 2026-09-19 22:23 UTCGHSA enrichment
  8. 2026-09-19 09:57 UTCGHSA enrichment
  9. 2026-09-18 21:32 UTCEG score recompute
  10. 2026-09-18 21:32 UTCGHSA enrichment
  11. 2026-09-18 19:28 UTCEPSS rescore
  12. 2026-09-18 09:07 UTCGHSA enrichment
  13. 2026-09-17 20:42 UTCEG score recompute
  14. 2026-09-17 20:41 UTCGHSA enrichment
  15. 2026-09-17 07:05 UTCGHSA enrichment
  16. 2026-09-16 18:39 UTCEG score recompute
  17. 2026-09-16 18:39 UTCGHSA enrichment
  18. 2026-09-16 14:08 UTCEPSS rescore
  19. 2026-09-16 05:22 UTCEG score recompute
  20. 2026-09-16 05:22 UTCGHSA enrichment
  21. 2026-09-16 05:15 UTCEPSS rescore
  22. 2026-09-15 16:56 UTCGHSA enrichment
  23. 2026-09-15 04:30 UTCEG score recompute
  24. 2026-09-15 04:30 UTCGHSA enrichment
  25. 2026-09-15 03:12 UTCEPSS rescore
Show 52 more
  1. 2026-09-14 16:04 UTCGHSA enrichment
  2. 2026-09-14 03:39 UTCEG score recompute
  3. 2026-09-14 03:39 UTCGHSA enrichment
  4. 2026-09-13 15:13 UTCGHSA enrichment
  5. 2026-09-13 02:48 UTCEG score recompute
  6. 2026-09-13 02:48 UTCGHSA enrichment
  7. 2026-09-12 15:02 UTCEPSS rescore
  8. 2026-09-12 14:22 UTCGHSA enrichment
  9. 2026-09-12 01:56 UTCEG score recompute
  10. 2026-09-12 01:56 UTCGHSA enrichment
  11. 2026-09-11 14:53 UTCEPSS rescore
  12. 2026-09-11 13:31 UTCEG score recompute
  13. 2026-09-11 13:31 UTCGHSA enrichment
  14. 2026-09-11 01:05 UTCGHSA enrichment
  15. 2026-09-10 12:39 UTCEG score recompute
  16. 2026-09-10 12:39 UTCGHSA enrichment
  17. 2026-09-10 09:35 UTCEPSS rescore
  18. 2026-09-10 00:13 UTCGHSA enrichment
  19. 2026-09-09 11:47 UTCGHSA enrichment
  20. 2026-09-08 23:22 UTCEG score recompute
  21. 2026-09-08 23:21 UTCGHSA enrichment
  22. 2026-09-08 22:01 UTCEPSS rescore
  23. 2026-09-08 08:29 UTCGHSA enrichment
  24. 2026-09-07 20:04 UTCEG score recompute
  25. 2026-09-07 20:04 UTCGHSA enrichment
  26. 2026-09-07 07:38 UTCGHSA enrichment
  27. 2026-09-06 19:07 UTCEG score recompute
  28. 2026-09-06 19:07 UTCGHSA enrichment
  29. 2026-09-06 13:48 UTCEPSS rescore
  30. 2026-09-06 06:37 UTCGHSA enrichment
  31. 2026-09-05 18:11 UTCEG score recompute
  32. 2026-09-05 18:11 UTCGHSA enrichment
  33. 2026-09-05 05:44 UTCGHSA enrichment
  34. 2026-09-04 17:18 UTCEG score recompute
  35. 2026-09-04 17:18 UTCGHSA enrichment
  36. 2026-09-04 05:07 UTCEPSS rescore
  37. 2026-09-04 04:52 UTCGHSA enrichment
  38. 2026-09-03 16:25 UTCGHSA enrichment
  39. 2026-09-03 03:59 UTCGHSA enrichment
  40. 2026-09-02 15:34 UTCEG score recompute
  41. 2026-09-02 15:34 UTCGHSA enrichment
  42. 2026-09-02 14:46 UTCEG score recompute
  43. 2026-09-02 14:46 UTCGHSA enrichment
  44. 2026-09-02 14:12 UTCEPSS rescore
  45. 2026-09-02 13:12 UTCGHSA enrichment
  46. 2026-09-02 09:46 UTCEG score recompute
  47. 2026-09-02 09:46 UTCGHSA enrichment
  48. 2026-09-01 21:20 UTCEG score recompute
  49. 2026-09-01 20:35 UTCEG score recompute
  50. 2026-09-01 20:19 UTCEG score recompute
  51. 2026-09-01 19:50 UTCEG score recompute
  52. 2026-09-01 19:48 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-73709?
CVE-2026-73709 is a high vulnerability published on September 1, 2026. A vulnerability in the underlying operating system of HPE Networking Fabric Composer could allow an unauthenticated adjacent attacker to run arbitrary commands on the underlying host if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker…
When was CVE-2026-73709 disclosed?
CVE-2026-73709 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73709 actively exploited?
CVE-2026-73709 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 88.8% of all scored CVEs.
What is the CVSS score of CVE-2026-73709?
CVE-2026-73709 has a CVSS v3 base score of 8.3 (NVD).
How do I remediate CVE-2026-73709?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-73709, 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-2026-73709

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