CVE-2026-46863

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM 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
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 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(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
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-8.0 (8.0.46-0ubuntu0.20.04.1+esm3) @ focal2026-07-26ubuntu
ubuntumysql-testsuite (8.4.10-0ubuntu0.26.04.1) @ resolute2026-07-26ubuntu

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 15× in last 7d / 104× 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 147 total refreshes for this CVE.

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

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 0% probability of exploitation in the next 30 days, which ranks it in the top 61.9% of all scored CVEs.
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.

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