CVE-2026-21078

MEDIUMNVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-08-10. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

Insufficient verification of data authenticity in Smart Switch trouble scanning mode prior to version 3.7.72.6 allows adjacent attackers to spoof device identity.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 19, 2026

Advisory Details (1)

Auto-updated Aug 10, 2026
No patch confirmed yet.
generic

Samsung Mobile Security

https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=08

Vendor Advisories for CVE-2026-21078(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 21× in last 7d / 36× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 17:23 UTCEG score recompute
  3. 2026-08-20 17:23 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 16:56 UTCEG score recompute▲ 1.80
  6. 2026-08-19 16:56 UTCGHSA enrichment
  7. 2026-08-19 16:44 UTCNVD updateCVSS v3 → 6.5
  8. 2026-08-19 16:00 UTCGHSA enrichment
  9. 2026-08-18 15:33 UTCGHSA enrichment
  10. 2026-08-17 21:36 UTCEG score recompute
  11. 2026-08-17 21:36 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-16 21:06 UTCEG score recompute
  14. 2026-08-16 21:06 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 02:14 UTCEPSS rescore
  17. 2026-08-15 20:39 UTCEG score recompute
  18. 2026-08-15 20:39 UTCGHSA enrichment
  19. 2026-08-15 01:30 UTCEPSS rescore
  20. 2026-08-14 20:12 UTCEG score recompute
  21. 2026-08-14 20:12 UTCGHSA enrichment
  22. 2026-08-13 22:00 UTCEPSS rescore
  23. 2026-08-13 19:45 UTCGHSA enrichment
  24. 2026-08-12 19:18 UTCEG score recompute
  25. 2026-08-12 19:18 UTCGHSA enrichment
Show 11 more
  1. 2026-08-12 13:50 UTCEPSS rescore
  2. 2026-08-11 18:52 UTCEG score recompute
  3. 2026-08-11 18:51 UTCGHSA enrichment
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 18:25 UTCEG score recompute
  6. 2026-08-10 18:25 UTCGHSA enrichment
  7. 2026-08-10 17:35 UTCEG score recompute
  8. 2026-08-10 17:35 UTCGHSA enrichment
  9. 2026-08-10 09:20 UTCEG score recompute
  10. 2026-08-10 08:16 UTCEG score recompute
  11. 2026-08-10 08:16 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-21078?
CVE-2026-21078 is a medium vulnerability published on August 10, 2026. Insufficient verification of data authenticity in Smart Switch trouble scanning mode prior to version 3.7.72.6 allows adjacent attackers to spoof device identity.
When was CVE-2026-21078 disclosed?
CVE-2026-21078 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21078 actively exploited?
CVE-2026-21078 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 98.9% of all scored CVEs.
What is the CVSS score of CVE-2026-21078?
CVE-2026-21078 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-21078?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21078, 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-2026-21078

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