CVE-2026-95210

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-10-08. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this weekElevated
9.1EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 9.1Exploit: Elevated riskExposed services: Not assessed

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

Improper certificate validation in gnutls v3.8.13 causes the application to accept certificates containing invalid extensions.

CVSS v3
9.1
EG Score
9.1CRITICALhigh confidence
EG Risk
72
EG Risk 72/100CISA SSVC

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
Severity91% × 45%
Exploitation40% × 40%
Automatability100% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
12th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

October 8, 2026

Last Modified

October 8, 2026

Advisory Details (1)

Auto-updated Oct 8, 2026
No fix on record yet.
generic

gist:4aad23689202720c4068f43b3c6069c7 · GitHub

https://gist.github.com/lkloliver/4aad23689202720c4068f43b3c6069c7

Vendor Advisories for CVE-2026-95210(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 20× in last 7d / 20× 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. 2026-10-10 03:19 UTCGHSA enrichment
  2. 2026-10-09 23:36 UTCEG score recompute
  3. 2026-10-09 23:36 UTCGHSA enrichment
  4. 2026-10-09 20:08 UTCEPSS rescore
  5. 2026-10-09 19:53 UTCGHSA enrichment
  6. 2026-10-09 16:11 UTCGHSA enrichment
  7. 2026-10-09 12:29 UTCGHSA enrichment
  8. 2026-10-09 08:46 UTCGHSA enrichment
  9. 2026-10-09 05:03 UTCGHSA enrichment
  10. 2026-10-09 01:20 UTCGHSA enrichment
  11. 2026-10-08 21:38 UTCEG score recompute
  12. 2026-10-08 21:38 UTCGHSA enrichment
  13. 2026-10-08 19:38 UTCEG score recompute
  14. 2026-10-08 19:38 UTCGHSA enrichment
  15. 2026-10-08 18:37 UTCEG score recompute▲ 9.10
  16. 2026-10-08 18:37 UTCGHSA enrichment
  17. 2026-10-08 18:37 UTCMITRE cvelistV5CVSS v3 → 9.1 · severity → CRITICAL
  18. 2026-10-08 18:35 UTCNVD update
  19. 2026-10-08 18:14 UTCEG score recompute
  20. 2026-10-08 18:14 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-95210?
CVE-2026-95210 is a critical vulnerability published on October 8, 2026. Improper certificate validation in gnutls v3.8.13 causes the application to accept certificates containing invalid extensions.
When was CVE-2026-95210 disclosed?
CVE-2026-95210 was first published on October 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-95210 actively exploited?
CVE-2026-95210 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (12th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-95210?
CVE-2026-95210 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-95210?
No fix for CVE-2026-95210 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-95210 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-95210

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