CVE-2023-38894

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 2.7%, top 14% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this weekElevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

A Prototype Pollution issue in Cronvel Tree-kit v.0.7.4 and before allows a remote attacker to execute arbitrary code via the extend function.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
69.5%
KEV
Not listed

Published

August 16, 2023

Last Modified

July 9, 2026

Advisory Details (2)

Auto-updated Jul 9, 2026
No patch confirmed yet.
generic

New Vulnerability in tree-kit: Prototype Pollution - CVE-2023-38894

https://www.code-intelligence.com/blog/treekit-prototype-pollution-cve-2023-38894
generic

GitHub - cronvel/tree-kit: Tree utilities (extend, mask, etc...) · GitHub

https://github.com/cronvel/tree-kit

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
tree-kit—0.7.5—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 53× 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.

  1. 2026-07-12 05:45 UTCEPSS rescore
  2. 2026-07-11 08:26 UTCEPSS rescore
  3. 2026-07-11 08:25 UTCEPSS rescore
  4. 2026-07-09 19:08 UTCEPSS rescore
  5. 2026-07-09 19:08 UTCEPSS rescore
  6. 2026-07-09 02:56 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  7. 2026-07-09 01:24 UTCMITRE cvelistV5
  8. 2026-07-08 15:13 UTCEPSS rescore
  9. 2026-07-07 13:44 UTCEPSS rescore
  10. 2026-07-06 16:26 UTCEPSS rescore
  11. 2026-07-06 16:26 UTCEPSS rescore
  12. 2026-07-06 02:21 UTCEPSS rescore
  13. 2026-07-05 02:29 UTCEPSS rescore
  14. 2026-07-04 06:29 UTCEPSS rescore
  15. 2026-07-02 16:59 UTCEPSS rescore
  16. 2026-07-01 15:04 UTCEPSS rescore
  17. 2026-06-30 23:21 UTCEPSS rescore
  18. 2026-06-30 23:21 UTCEPSS rescore
  19. 2026-06-29 14:05 UTCEPSS rescore
  20. 2026-06-29 14:05 UTCEPSS rescore
  21. 2026-06-28 14:06 UTCEPSS rescore
  22. 2026-06-28 14:06 UTCEPSS rescore
  23. 2026-06-28 04:55 UTCEPSS rescore
  24. 2026-06-28 04:55 UTCEPSS rescore
  25. 2026-06-27 12:34 UTCOSV refresh
Show 67 more
  1. 2026-06-27 03:07 UTCEPSS rescore
  2. 2026-06-27 03:07 UTCEPSS rescore
  3. 2026-06-25 13:48 UTCEPSS rescore
  4. 2026-06-25 13:48 UTCEPSS rescore
  5. 2026-06-24 14:04 UTCEPSS rescore
  6. 2026-06-24 14:03 UTCEPSS rescore
  7. 2026-06-23 21:31 UTCEPSS rescore
  8. 2026-06-23 21:31 UTCEPSS rescore
  9. 2026-06-22 14:24 UTCEPSS rescore
  10. 2026-06-22 14:24 UTCEPSS rescore
  11. 2026-06-21 14:55 UTCEPSS rescore
  12. 2026-06-21 14:55 UTCEPSS rescore
  13. 2026-06-21 01:58 UTCEPSS rescore
  14. 2026-06-21 01:58 UTCEPSS rescore
  15. 2026-06-19 19:24 UTCEPSS rescore
  16. 2026-06-19 19:24 UTCEPSS rescore
  17. 2026-06-18 17:51 UTCEPSS rescore
  18. 2026-06-18 17:51 UTCEPSS rescore
  19. 2026-06-17 17:51 UTCEPSS rescore
  20. 2026-06-17 17:51 UTCEPSS rescore
  21. 2026-06-16 17:51 UTCEPSS rescore
  22. 2026-06-16 17:51 UTCEPSS rescore
  23. 2026-06-15 17:47 UTCEPSS rescore
  24. 2026-06-14 23:16 UTCEPSS rescore
  25. 2026-06-13 22:59 UTCEPSS rescore
  26. 2026-06-13 22:59 UTCEPSS rescore
  27. 2026-06-12 23:10 UTCEPSS rescore
  28. 2026-06-12 23:10 UTCEPSS rescore
  29. 2026-06-11 13:59 UTCEPSS rescore
  30. 2026-06-11 13:59 UTCEPSS rescore
  31. 2026-06-10 22:17 UTCEPSS rescore
  32. 2026-06-10 13:21 UTCEPSS rescore
  33. 2026-06-09 23:17 UTCOSV refresh
  34. 2026-06-08 14:16 UTCEPSS rescore
  35. 2026-06-08 14:15 UTCEPSS rescore
  36. 2026-06-07 15:23 UTCEPSS rescore
  37. 2026-06-07 15:23 UTCEPSS rescore
  38. 2026-06-06 13:46 UTCEPSS rescore
  39. 2026-06-06 13:46 UTCEPSS rescore
  40. 2026-06-05 22:46 UTCEPSS rescore
  41. 2026-06-05 22:46 UTCEPSS rescore
  42. 2026-06-05 06:09 UTCEPSS rescore
  43. 2026-06-05 06:09 UTCEPSS rescore
  44. 2026-06-04 13:11 UTCEPSS rescore
  45. 2026-06-04 13:11 UTCEPSS rescore
  46. 2026-06-02 20:12 UTCEPSS rescore
  47. 2026-06-02 20:12 UTCEPSS rescore
  48. 2026-06-02 20:12 UTCEPSS rescore
  49. 2026-06-01 13:51 UTCEPSS rescore
  50. 2026-06-01 13:51 UTCEPSS rescore
  51. 2026-05-31 22:30 UTCEPSS rescore
  52. 2026-05-31 22:29 UTCEPSS rescore
  53. 2026-05-31 22:29 UTCEPSS rescore
  54. 2026-05-31 00:15 UTCEPSS rescore
  55. 2026-05-31 00:15 UTCEPSS rescore
  56. 2026-05-29 13:43 UTCEPSS rescore
  57. 2026-05-29 13:43 UTCEPSS rescore
  58. 2026-05-28 13:43 UTCEPSS rescore
  59. 2026-05-28 13:43 UTCEPSS rescore
  60. 2026-05-27 13:39 UTCEPSS rescore
  61. 2026-05-26 13:43 UTCEPSS rescore
  62. 2026-05-26 13:43 UTCEPSS rescore
  63. 2026-05-26 07:18 UTCEPSS rescore
  64. 2026-05-26 07:18 UTCEPSS rescore
  65. 2026-05-26 07:18 UTCEPSS rescore
  66. 2026-05-24 19:11 UTCEG score recompute
  67. 2026-05-24 16:52 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-38894?
CVE-2023-38894 is a critical vulnerability published on August 16, 2023. A Prototype Pollution issue in Cronvel Tree-kit v.0.7.4 and before allows a remote attacker to execute arbitrary code via the extend function.
When was CVE-2023-38894 disclosed?
CVE-2023-38894 was first published in the National Vulnerability Database on August 16, 2023, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-38894 actively exploited?
CVE-2023-38894 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-38894?
CVE-2023-38894 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-38894?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-38894, 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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