CVE-2026-66098

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-12. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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.

The Mira hormone monitor device firmware accepts a 0x01 write from any BLE central without authentication, causing the device to reboot into bootloader mode. An attacker could cause a denial-of-service condition or disrupt ovulation tracking and fertility monitoring workflow.

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
11%
KEV
Not listed

Published

August 11, 2026

Last Modified

September 3, 2026

Advisory Details (1)

Auto-updated Aug 11, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Mira Hormone Monitor, Mira Android App | CISA

Mira Hormone Monitor, Mira Android App | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-223-01

Vendor Advisories for CVE-2026-66098(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 17× 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 112 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-66098?
CVE-2026-66098 is a medium vulnerability published on August 11, 2026. The Mira hormone monitor device firmware accepts a 0x01 write from any BLE central without authentication, causing the device to reboot into bootloader mode. An attacker could cause a denial-of-service condition or disrupt ovulation tracking and fertility monitoring workflow.
When was CVE-2026-66098 disclosed?
CVE-2026-66098 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66098 actively exploited?
CVE-2026-66098 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 88.5% of all scored CVEs.
What is the CVSS score of CVE-2026-66098?
CVE-2026-66098 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-66098?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66098, 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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