CVE-2026-52866

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-19. 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.

An attacker within BLE communication range can monopolize the device's only available BLE connection slot, preventing legitimate users or applications from establishing a connection.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

June 19, 2026

Last Modified

June 22, 2026

Advisory Details (4)

Auto-updated Jun 22, 2026
Patch available. Sources: cisa.
cisa Patch Available

Understanding Bluetooth Technology | CISA

https://www.cisa.gov/news-events/news/understanding-bluetooth-technology
cisa Patch Available

Apollo Pharmacy Blood Glucose Monitoring System APG-01 BT | CISA

https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-169-01
generic
https://www.apollopharmacy.in/contact-us
generic

CSAF/csaf_files/OT/white/2026/icsma-26-169-01.json at develop · cisagov/CSAF · GitHub

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-169-01.json

Vendor Advisories for CVE-2026-52866(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 19× in last 7d / 66× 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. 2026-08-03 10:36 UTCEPSS rescore
  2. 2026-08-03 08:43 UTCGHSA enrichment
  3. 2026-08-02 05:25 UTCEG score recompute
  4. 2026-08-02 05:25 UTCGHSA enrichment
  5. 2026-08-02 02:27 UTCEPSS rescore
  6. 2026-08-01 05:06 UTCEG score recompute
  7. 2026-08-01 05:06 UTCGHSA enrichment
  8. 2026-08-01 04:16 UTCEPSS rescore
  9. 2026-07-31 03:50 UTCEG score recompute
  10. 2026-07-31 03:50 UTCGHSA enrichment
  11. 2026-07-30 16:28 UTCEPSS rescore
  12. 2026-07-30 03:02 UTCEG score recompute
  13. 2026-07-30 03:02 UTCGHSA enrichment
  14. 2026-07-30 01:30 UTCEPSS rescore
  15. 2026-07-29 01:43 UTCEG score recompute
  16. 2026-07-29 01:43 UTCGHSA enrichment
  17. 2026-07-28 15:37 UTCEPSS rescore
  18. 2026-07-27 18:05 UTCEG score recompute
  19. 2026-07-27 18:05 UTCGHSA enrichment
  20. 2026-07-26 17:17 UTCEG score recompute
  21. 2026-07-26 17:16 UTCGHSA enrichment
  22. 2026-07-26 14:54 UTCEPSS rescore
  23. 2026-07-25 14:18 UTCEPSS rescore
  24. 2026-07-24 14:18 UTCEPSS rescore
  25. 2026-07-23 14:18 UTCEPSS rescore
Show 72 more
  1. 2026-07-23 03:19 UTCEG score recompute
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-21 15:25 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
  5. 2026-07-19 14:31 UTCEPSS rescore
  6. 2026-07-19 14:31 UTCEPSS rescore
  7. 2026-07-19 02:29 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-16 17:03 UTCEPSS rescore
  10. 2026-07-16 13:10 UTCGHSA enrichment
  11. 2026-07-15 16:57 UTCEPSS rescore
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 12:49 UTCGHSA enrichment
  14. 2026-07-15 02:00 UTCEPSS rescore
  15. 2026-07-15 02:00 UTCEPSS rescore
  16. 2026-07-14 11:18 UTCGHSA enrichment
  17. 2026-07-13 10:19 UTCGHSA enrichment
  18. 2026-07-13 06:13 UTCEPSS rescore
  19. 2026-07-13 06:13 UTCEPSS rescore
  20. 2026-07-12 09:50 UTCGHSA enrichment
  21. 2026-07-12 05:46 UTCEPSS rescore
  22. 2026-07-11 09:31 UTCGHSA enrichment
  23. 2026-07-11 08:27 UTCEPSS rescore
  24. 2026-07-11 08:27 UTCEPSS rescore
  25. 2026-07-10 09:11 UTCGHSA enrichment
  26. 2026-07-09 19:10 UTCEPSS rescore
  27. 2026-07-09 19:10 UTCEPSS rescore
  28. 2026-07-09 08:51 UTCGHSA enrichment
  29. 2026-07-08 15:16 UTCEPSS rescore
  30. 2026-07-08 15:16 UTCEPSS rescore
  31. 2026-07-08 08:32 UTCGHSA enrichment
  32. 2026-07-07 13:46 UTCEPSS rescore
  33. 2026-07-07 13:46 UTCEPSS rescore
  34. 2026-07-07 08:12 UTCGHSA enrichment
  35. 2026-07-06 16:27 UTCEPSS rescore
  36. 2026-07-06 16:27 UTCEPSS rescore
  37. 2026-07-06 07:18 UTCGHSA enrichment
  38. 2026-07-06 02:23 UTCEPSS rescore
  39. 2026-07-06 02:23 UTCEPSS rescore
  40. 2026-07-05 06:46 UTCGHSA enrichment
  41. 2026-07-05 02:30 UTCEPSS rescore
  42. 2026-07-04 06:31 UTCEPSS rescore
  43. 2026-07-04 06:16 UTCGHSA enrichment
  44. 2026-07-03 05:56 UTCGHSA enrichment
  45. 2026-07-02 05:35 UTCGHSA enrichment
  46. 2026-07-01 15:07 UTCEPSS rescore
  47. 2026-07-01 05:16 UTCGHSA enrichment
  48. 2026-06-30 23:22 UTCEPSS rescore
  49. 2026-06-30 04:57 UTCGHSA enrichment
  50. 2026-06-29 14:06 UTCEPSS rescore
  51. 2026-06-29 14:06 UTCEPSS rescore
  52. 2026-06-29 04:13 UTCGHSA enrichment
  53. 2026-06-28 14:07 UTCEPSS rescore
  54. 2026-06-28 04:56 UTCEPSS rescore
  55. 2026-06-28 04:56 UTCEPSS rescore
  56. 2026-06-28 03:50 UTCGHSA enrichment
  57. 2026-06-27 03:30 UTCGHSA enrichment
  58. 2026-06-27 03:08 UTCEPSS rescore
  59. 2026-06-26 03:04 UTCGHSA enrichment
  60. 2026-06-25 13:49 UTCEPSS rescore
  61. 2026-06-25 02:44 UTCGHSA enrichment
  62. 2026-06-24 14:05 UTCEPSS rescore
  63. 2026-06-24 02:25 UTCGHSA enrichment
  64. 2026-06-23 21:33 UTCEPSS rescore
  65. 2026-06-23 21:33 UTCEPSS rescore
  66. 2026-06-23 02:06 UTCGHSA enrichment
  67. 2026-06-22 17:37 UTCNVD updateCVSS v4 → 7.1 · severity → MEDIUM
  68. 2026-06-22 01:45 UTCGHSA enrichment
  69. 2026-06-21 01:24 UTCGHSA enrichment
  70. 2026-06-20 01:04 UTCGHSA enrichment
  71. 2026-06-19 00:44 UTCEG score recompute
  72. 2026-06-19 00:44 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-52866?
CVE-2026-52866 is a medium vulnerability published on June 19, 2026. An attacker within BLE communication range can monopolize the device's only available BLE connection slot, preventing legitimate users or applications from establishing a connection.
When was CVE-2026-52866 disclosed?
CVE-2026-52866 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52866 actively exploited?
CVE-2026-52866 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 72.5% of all scored CVEs.
What is the CVSS score of CVE-2026-52866?
CVE-2026-52866 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-52866?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52866, 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.

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