CVE-2026-75943

LOWPre-NVD 2.62.6—
EchelonGraph scoreHIGH confidence

Score 2.6 from GitHub Security Advisory (severity: LOW) published 2026-09-15. a secondary CVSS source baseline 2.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
2.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 2.6Exploit: None knownExposed: 0

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

A brief (milliseconds to seconds) traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcement.

CVSS v3
2.6
EG Score
2.6(high)
EG Risk
12(Track)
EG Risk 12/100SSVC: 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
Severity26% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 16, 2026

References (1)

Vendor Advisories for CVE-2026-75943(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 14× in last 7d / 14× 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. 2026-09-19 14:40 UTCEG score recompute
  2. 2026-09-19 14:40 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-16 21:07 UTCEG score recompute
  5. 2026-09-16 21:07 UTCGHSA enrichment
  6. 2026-09-16 14:08 UTCEPSS rescore
  7. 2026-09-16 05:15 UTCEPSS rescore
  8. 2026-09-15 14:34 UTCEG score recompute
  9. 2026-09-15 14:34 UTCGHSA enrichment
  10. 2026-09-15 13:58 UTCEG score recompute
  11. 2026-09-15 13:58 UTCGHSA enrichment
  12. 2026-09-14 23:22 UTCEG score recompute
  13. 2026-09-14 22:24 UTCEG score recompute
  14. 2026-09-14 22:24 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-75943?
CVE-2026-75943 is a low vulnerability published on September 14, 2026. A brief (milliseconds to seconds) traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcement.
When was CVE-2026-75943 disclosed?
CVE-2026-75943 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-75943 actively exploited?
CVE-2026-75943 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 97.1% of all scored CVEs.
What is the CVSS score of CVE-2026-75943?
CVE-2026-75943 has a CVSS v3 base score of 2.6 (NVD).
How do I remediate CVE-2026-75943?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-75943, 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-2026-75943

Explore →

Is Your Infrastructure Affected by CVE-2026-75943?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs