CVE-2026-63759

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-20. the CNA's CVSS baseline 6.5; sources differ by 0.0.

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

SurrealDB before 3.1.0 fails to enforce recursion depth limits in the type/kind parser when processing nested type annotations. Authenticated attackers can send queries with deeply nested type annotations to exhaust server memory and crash the process.

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
38%
KEV
Not listed

Published

July 20, 2026

Last Modified

July 28, 2026

Advisory Details (2)

Auto-updated Jul 20, 2026
Patch available. Sources: github.
generic

SurrealDB before 3.1.0 Denial of Service nested type annotations | Advisories | VulnCheck

https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-nested-type-annotations
github Patch Available

Denial of Service due to nested types annotations · Advisory · surrealdb/surrealdb · GitHub

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q8qp-67f9-wr3f

Vendor Advisories for CVE-2026-63759(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 16× in last 7d / 69× 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 139 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-63759?
CVE-2026-63759 is a medium vulnerability published on July 20, 2026. SurrealDB before 3.1.0 fails to enforce recursion depth limits in the type/kind parser when processing nested type annotations. Authenticated attackers can send queries with deeply nested type annotations to exhaust server memory and crash the process.
When was CVE-2026-63759 disclosed?
CVE-2026-63759 was first published in the National Vulnerability Database on July 20, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63759 actively exploited?
CVE-2026-63759 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 62.1% of all scored CVEs.
What is the CVSS score of CVE-2026-63759?
CVE-2026-63759 has a CVSS v4.0 base score of 6.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-63759?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63759, 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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