CVE-2026-73454

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-16. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

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

On affected platforms running Arista EOS with gRPC Network Security Interface (gNSI) Credentialz configured, a specially crafted request can cause unintended modifications to the target account's properties. This may result in the account being assigned elevated privileges or access beyond what an administrator intended.

CVSS v3
8.1
EG Score
8.1(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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 17, 2026

Advisory Details (1)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

Security Advisory 0165 - Arista

https://www.arista.com/en/support/advisories-notices/security-advisory/24721-security-advisory-0165

Vendor Advisories for CVE-2026-73454(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 28× in last 7d / 28× 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 10:04 UTCGHSA enrichment
  2. 2026-09-20 21:33 UTCEG score recompute
  3. 2026-09-20 21:33 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-20 09:01 UTCGHSA enrichment
  6. 2026-09-19 20:29 UTCEG score recompute
  7. 2026-09-19 20:29 UTCGHSA enrichment
  8. 2026-09-19 07:57 UTCEG score recompute
  9. 2026-09-19 07:57 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 19:25 UTCGHSA enrichment
  12. 2026-09-18 06:54 UTCEG score recompute
  13. 2026-09-18 06:54 UTCGHSA enrichment
  14. 2026-09-17 18:21 UTCGHSA enrichment
  15. 2026-09-17 04:20 UTCEG score recompute
  16. 2026-09-17 04:20 UTCGHSA enrichment
  17. 2026-09-17 04:05 UTCEG score recompute
  18. 2026-09-17 04:05 UTCGHSA enrichment
  19. 2026-09-16 19:12 UTCGHSA enrichment
  20. 2026-09-16 15:25 UTCEG score recompute
  21. 2026-09-16 15:25 UTCGHSA enrichment
  22. 2026-09-16 15:01 UTCEG score recompute
  23. 2026-09-16 15:01 UTCGHSA enrichment
  24. 2026-09-16 14:08 UTCEPSS rescore
  25. 2026-09-16 09:31 UTCEG score recompute
Show 3 more
  1. 2026-09-16 09:31 UTCGHSA enrichment
  2. 2026-09-16 08:27 UTCEG score recompute
  3. 2026-09-16 08:26 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-73454?
CVE-2026-73454 is a high vulnerability published on September 16, 2026. On affected platforms running Arista EOS with gRPC Network Security Interface (gNSI) Credentialz configured, a specially crafted request can cause unintended modifications to the target account's properties. This may result in the account being assigned elevated privileges or access beyond what an…
When was CVE-2026-73454 disclosed?
CVE-2026-73454 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73454 actively exploited?
CVE-2026-73454 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 77.6% of all scored CVEs.
What is the CVSS score of CVE-2026-73454?
CVE-2026-73454 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-73454?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-73454, 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-2026-73454

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