CVE-2026-19293

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-13. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

SMP security request (from peripheral) does not include the maximum encryption key size supported. Using a key with less than the maximum keysize makes brute-forcing the key easier. See V6 in BLERP paper linked below.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

August 13, 2026

Last Modified

September 8, 2026

Advisory Details (3)

Auto-updated Aug 13, 2026
No patch confirmed yet.
generic

BLERP: BLE Re-Pairing Attacks and Defenses - NDSS Symposium

https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/
generic

Rs9116 Ble Release Notes | Overview | RS9116 SDK | latest | Silicon Labs

https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes
generic

Sisdk Wifible Ble Release Notes | Wi-Fi 6 + BLE (WiSeConnect) | Simplicity SDK Release Notes | latest | Silicon Labs

https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes

Vendor Advisories for CVE-2026-19293(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 24× in last 7d / 107× 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 141 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-19293?
CVE-2026-19293 is a high vulnerability published on August 13, 2026. SMP security request (from peripheral) does not include the maximum encryption key size supported. Using a key with less than the maximum keysize makes brute-forcing the key easier. See V6 in BLERP paper linked below.
When was CVE-2026-19293 disclosed?
CVE-2026-19293 was first published in the National Vulnerability Database on August 13, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19293 actively exploited?
CVE-2026-19293 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 96.7% of all scored CVEs.
What is the CVSS score of CVE-2026-19293?
CVE-2026-19293 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-19293?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19293, 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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