CVE-2026-56747

HIGHPre-NVD 8.88.8
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Improper control of generation of code in the JSON Pointer-to-accessor compiler in Cribl Stream before 4.18.2 allows a remote authenticated attacker with edit privileges to execute arbitrary JavaScript on the server via a crafted database connection identifier or pack configuration value.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

July 27, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Jul 27, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-56747(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 21× in last 7d / 114× 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 136 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-56747?
CVE-2026-56747 is a high vulnerability published on July 27, 2026. Improper control of generation of code in the JSON Pointer-to-accessor compiler in Cribl Stream before 4.18.2 allows a remote authenticated attacker with edit privileges to execute arbitrary JavaScript on the server via a crafted database connection identifier or pack configuration value.
When was CVE-2026-56747 disclosed?
CVE-2026-56747 was first published in the National Vulnerability Database on July 27, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56747 actively exploited?
CVE-2026-56747 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 70.0% of all scored CVEs.
What is the CVSS score of CVE-2026-56747?
CVE-2026-56747 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-56747?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56747, 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

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