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 11× in last 7d / 60× 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 152 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 61.5% 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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