CVE-2026-64809

HIGHPre-NVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-07-23. a secondary CVSS source baseline 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.4Exploit: None knownExposed: 0

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

In JetBrains PhpStorm before 2026.2 arbitrary code execution was possible before granting project trust via the configured interpreter

CVSS v3
8.4
EG Score
8.4(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity84% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

July 23, 2026

Last Modified

July 28, 2026

Advisory Details (1)

Auto-updated Jul 23, 2026
No patch confirmed yet.
generic

Fixed security issues

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

Vendor Advisories for CVE-2026-64809(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 17× in last 7d / 88× 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 190 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-64809?
CVE-2026-64809 is a high vulnerability published on July 23, 2026. In JetBrains PhpStorm before 2026.2 arbitrary code execution was possible before granting project trust via the configured interpreter
When was CVE-2026-64809 disclosed?
CVE-2026-64809 was first published in the National Vulnerability Database on July 23, 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-2026-64809 actively exploited?
CVE-2026-64809 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 91.0% of all scored CVEs.
What is the CVSS score of CVE-2026-64809?
CVE-2026-64809 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2026-64809?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64809, 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

Explore the affected products and dependency analysis for CVE-2026-64809

Explore →

Is Your Infrastructure Affected by CVE-2026-64809?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs