CVE-2026-21078

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM 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 — 3 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(medium)
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 18× in last 7d / 76× 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.

Showing the most recent 100 of 111 total refreshes for this CVE.

  1. 2026-09-19 17:49 UTCEG score recompute
  2. 2026-09-19 17:49 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 17:22 UTCEG score recompute
  5. 2026-09-18 17:22 UTCGHSA enrichment
  6. 2026-09-17 15:06 UTCEG score recompute
  7. 2026-09-17 15:06 UTCGHSA enrichment
  8. 2026-09-16 14:07 UTCEPSS rescore
  9. 2026-09-16 11:07 UTCEG score recompute
  10. 2026-09-16 11:07 UTCGHSA enrichment
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-15 08:40 UTCEG score recompute
  13. 2026-09-15 08:40 UTCGHSA enrichment
  14. 2026-09-14 08:13 UTCEG score recompute
  15. 2026-09-14 08:13 UTCGHSA enrichment
  16. 2026-09-13 16:47 UTCEPSS rescore
  17. 2026-09-13 07:46 UTCEG score recompute
  18. 2026-09-13 07:46 UTCGHSA enrichment
  19. 2026-09-12 15:01 UTCEPSS rescore
  20. 2026-09-12 07:19 UTCEG score recompute
  21. 2026-09-12 07:19 UTCGHSA enrichment
  22. 2026-09-11 14:52 UTCEPSS rescore
  23. 2026-09-11 06:52 UTCEG score recompute
  24. 2026-09-11 06:52 UTCGHSA enrichment
  25. 2026-09-10 09:34 UTCEPSS rescore
Show 75 more
  1. 2026-09-10 06:25 UTCEG score recompute
  2. 2026-09-10 06:25 UTCGHSA enrichment
  3. 2026-09-09 05:56 UTCEG score recompute
  4. 2026-09-09 05:56 UTCGHSA enrichment
  5. 2026-09-08 22:00 UTCEPSS rescore
  6. 2026-09-07 17:31 UTCEG score recompute
  7. 2026-09-07 17:31 UTCGHSA enrichment
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-06 13:47 UTCEPSS rescore
  10. 2026-09-06 09:22 UTCEG score recompute
  11. 2026-09-06 09:22 UTCGHSA enrichment
  12. 2026-09-05 08:56 UTCEG score recompute
  13. 2026-09-05 08:56 UTCGHSA enrichment
  14. 2026-09-04 08:29 UTCEG score recompute
  15. 2026-09-04 08:29 UTCGHSA enrichment
  16. 2026-09-04 05:06 UTCEPSS rescore
  17. 2026-09-03 03:51 UTCEG score recompute
  18. 2026-09-03 03:51 UTCGHSA enrichment
  19. 2026-09-02 14:11 UTCEPSS rescore
  20. 2026-09-01 17:27 UTCEG score recompute
  21. 2026-09-01 17:27 UTCGHSA enrichment
  22. 2026-09-01 04:39 UTCEPSS rescore
  23. 2026-08-31 11:54 UTCEG score recompute
  24. 2026-08-31 11:54 UTCGHSA enrichment
  25. 2026-08-30 19:17 UTCEPSS rescore
  26. 2026-08-30 10:39 UTCEG score recompute
  27. 2026-08-30 10:39 UTCGHSA enrichment
  28. 2026-08-30 01:22 UTCEPSS rescore
  29. 2026-08-29 10:11 UTCEG score recompute
  30. 2026-08-29 10:10 UTCGHSA enrichment
  31. 2026-08-28 21:41 UTCEPSS rescore
  32. 2026-08-27 20:41 UTCEG score recompute
  33. 2026-08-27 20:41 UTCGHSA enrichment
  34. 2026-08-27 14:25 UTCEPSS rescore
  35. 2026-08-26 20:13 UTCEG score recompute
  36. 2026-08-26 20:13 UTCGHSA enrichment
  37. 2026-08-26 14:46 UTCEPSS rescore
  38. 2026-08-25 19:38 UTCEG score recompute
  39. 2026-08-25 19:38 UTCGHSA enrichment
  40. 2026-08-25 13:48 UTCEPSS rescore
  41. 2026-08-24 19:11 UTCEG score recompute
  42. 2026-08-24 19:10 UTCGHSA enrichment
  43. 2026-08-23 18:43 UTCEG score recompute
  44. 2026-08-23 18:43 UTCGHSA enrichment
  45. 2026-08-23 00:19 UTCEPSS rescore
  46. 2026-08-22 18:17 UTCEG score recompute
  47. 2026-08-22 18:17 UTCGHSA enrichment
  48. 2026-08-21 23:49 UTCEPSS rescore
  49. 2026-08-21 17:50 UTCEG score recompute
  50. 2026-08-21 17:50 UTCGHSA enrichment
  51. 2026-08-20 22:55 UTCEPSS rescore
  52. 2026-08-20 17:23 UTCEG score recompute
  53. 2026-08-20 17:23 UTCGHSA enrichment
  54. 2026-08-19 17:03 UTCEPSS rescore
  55. 2026-08-19 16:56 UTCEG score recompute▲ 1.80
  56. 2026-08-19 16:56 UTCGHSA enrichment
  57. 2026-08-19 16:44 UTCNVD updateCVSS v3 → 6.5
  58. 2026-08-19 16:00 UTCGHSA enrichment
  59. 2026-08-18 15:33 UTCGHSA enrichment
  60. 2026-08-17 21:36 UTCEG score recompute
  61. 2026-08-17 21:36 UTCGHSA enrichment
  62. 2026-08-17 13:47 UTCEPSS rescore
  63. 2026-08-16 21:06 UTCEG score recompute
  64. 2026-08-16 21:06 UTCGHSA enrichment
  65. 2026-08-16 14:56 UTCEPSS rescore
  66. 2026-08-16 02:14 UTCEPSS rescore
  67. 2026-08-15 20:39 UTCEG score recompute
  68. 2026-08-15 20:39 UTCGHSA enrichment
  69. 2026-08-15 01:30 UTCEPSS rescore
  70. 2026-08-14 20:12 UTCEG score recompute
  71. 2026-08-14 20:12 UTCGHSA enrichment
  72. 2026-08-13 22:00 UTCEPSS rescore
  73. 2026-08-13 19:45 UTCGHSA enrichment
  74. 2026-08-12 19:18 UTCEG score recompute
  75. 2026-08-12 19:18 UTCGHSA enrichment

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

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