CVE-2026-46863

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-17. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS v3
7.5
EG Score
7.5(high)
EPSS
37.4%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 18, 2026

References (1)

Vendor Advisories for CVE-2026-46863(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntumysql-testsuite (8.4.10-0ubuntu0.26.04.1) @ resolute2026-07-06ubuntu
ubuntumysql-testsuite-8.0 (8.0.46-0ubuntu0.20.04.1+esm3) @ focal2026-07-06ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 42× in last 7d / 122× 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 122 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-46863?
CVE-2026-46863 is a high vulnerability published on June 17, 2026. Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows…
When was CVE-2026-46863 disclosed?
CVE-2026-46863 was first published in the National Vulnerability Database on June 17, 2026, with the most recent update on June 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46863 actively exploited?
CVE-2026-46863 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-46863?
CVE-2026-46863 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-46863?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46863, 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-2026-46863

Explore →

Is Your Infrastructure Affected by CVE-2026-46863?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs