CVE-2026-73739

MEDIUMPre-NVD 4.44.4—
EchelonGraph scoreHIGH confidence

Score 4.4 from GitHub Security Advisory published 2026-09-01. a secondary CVSS source baseline 4.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.4Exploit: None knownExposed: 0

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

A vulnerability exists in the API of HPE Networking Fabric Composer that allows for an attacker with administrative privileges to access sensitive information in a cleartext format. A successful exploit allows an attacker to retrieve sensitive information that was expected to remain protected within the affected system.

CVSS v3
4.4
EG Score
4.4(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity44% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

September 1, 2026

Last Modified

September 3, 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-2026-73739(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 13× in last 7d / 54× 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. 2026-09-24 12:10 UTCEG score recompute
  2. 2026-09-24 12:10 UTCGHSA enrichment
  3. 2026-09-23 17:54 UTCEPSS rescore
  4. 2026-09-23 09:49 UTCGHSA enrichment
  5. 2026-09-22 07:29 UTCEG score recompute
  6. 2026-09-22 07:29 UTCGHSA enrichment
  7. 2026-09-21 21:09 UTCEPSS rescore
  8. 2026-09-21 05:07 UTCGHSA enrichment
  9. 2026-09-20 02:30 UTCEG score recompute
  10. 2026-09-20 02:30 UTCGHSA enrichment
  11. 2026-09-19 00:09 UTCEG score recompute
  12. 2026-09-19 00:09 UTCGHSA enrichment
  13. 2026-09-18 19:28 UTCEPSS rescore
  14. 2026-09-17 21:48 UTCEG score recompute
  15. 2026-09-17 21:48 UTCGHSA enrichment
  16. 2026-09-16 19:26 UTCEG score recompute
  17. 2026-09-16 19:26 UTCGHSA enrichment
  18. 2026-09-16 14:08 UTCEPSS rescore
  19. 2026-09-16 05:15 UTCEPSS rescore
  20. 2026-09-15 17:06 UTCEG score recompute
  21. 2026-09-15 17:05 UTCGHSA enrichment
  22. 2026-09-15 03:12 UTCEPSS rescore
  23. 2026-09-14 14:45 UTCEG score recompute
  24. 2026-09-14 14:45 UTCGHSA enrichment
  25. 2026-09-13 12:25 UTCEG score recompute
Show 29 more
  1. 2026-09-13 12:25 UTCGHSA enrichment
  2. 2026-09-12 15:02 UTCEPSS rescore
  3. 2026-09-12 10:05 UTCEG score recompute
  4. 2026-09-12 10:05 UTCGHSA enrichment
  5. 2026-09-11 14:53 UTCEPSS rescore
  6. 2026-09-11 07:44 UTCEG score recompute
  7. 2026-09-11 07:44 UTCGHSA enrichment
  8. 2026-09-10 09:35 UTCEPSS rescore
  9. 2026-09-10 05:24 UTCGHSA enrichment
  10. 2026-09-09 03:03 UTCEG score recompute
  11. 2026-09-09 03:03 UTCGHSA enrichment
  12. 2026-09-08 22:01 UTCEPSS rescore
  13. 2026-09-08 00:42 UTCEG score recompute
  14. 2026-09-08 00:42 UTCGHSA enrichment
  15. 2026-09-06 22:22 UTCEG score recompute
  16. 2026-09-06 22:22 UTCGHSA enrichment
  17. 2026-09-06 13:48 UTCEPSS rescore
  18. 2026-09-05 20:00 UTCEG score recompute
  19. 2026-09-05 20:00 UTCGHSA enrichment
  20. 2026-09-04 17:40 UTCEG score recompute
  21. 2026-09-04 17:39 UTCGHSA enrichment
  22. 2026-09-04 05:07 UTCEPSS rescore
  23. 2026-09-03 15:18 UTCGHSA enrichment
  24. 2026-09-02 23:39 UTCEG score recompute
  25. 2026-09-02 23:39 UTCGHSA enrichment
  26. 2026-09-02 14:12 UTCEPSS rescore
  27. 2026-09-01 20:19 UTCEG score recompute
  28. 2026-09-01 19:49 UTCEG score recompute
  29. 2026-09-01 19:48 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-73739?
CVE-2026-73739 is a medium vulnerability published on September 1, 2026. A vulnerability exists in the API of HPE Networking Fabric Composer that allows for an attacker with administrative privileges to access sensitive information in a cleartext format. A successful exploit allows an attacker to retrieve sensitive information that was expected to remain protected…
When was CVE-2026-73739 disclosed?
CVE-2026-73739 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73739 actively exploited?
CVE-2026-73739 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 95.3% of all scored CVEs.
What is the CVSS score of CVE-2026-73739?
CVE-2026-73739 has a CVSS v3 base score of 4.4 (NVD).
How do I remediate CVE-2026-73739?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-73739, 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

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