CVE-2026-53914

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 74% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 27, 2026

Advisory Details (1)

Auto-updated Aug 22, 2026
No patch confirmed yet.
generic

Fixed security issues

https://www.jetbrains.com/privacy-security/issues-fixed/

Vendor Advisories for CVE-2026-53914(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 9× in last 7d / 125× 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 219 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-53914?
CVE-2026-53914 is a critical vulnerability published on June 26, 2026. In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata
When was CVE-2026-53914 disclosed?
CVE-2026-53914 was first published in the National Vulnerability Database on June 26, 2026, with the most recent update on June 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53914 actively exploited?
CVE-2026-53914 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 74.2% of all scored CVEs.
What is the CVSS score of CVE-2026-53914?
CVE-2026-53914 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-53914?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53914, 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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