CVE-2026-59835

HIGHPre-NVD 7.78.6▲
EchelonGraph scoreMEDIUM confidence

Score 8.6 from GitHub Security Advisory (severity: HIGH) published 2026-07-14. the CNA's CVSS baseline 7.7; sources differ by 0.9.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:fortinet, epss, ghsa
Trending — 3 sources updated this week
8.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.7Exploit: None knownExposed: 0

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

A exposure of resource to wrong sphere vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may allow an unauthenticated attacker to access the VNC server of VMs performing scanning via network requests.

CVSS v3
7.7
EG Score
8.6(medium)
EG Risk
54(Track)
EG Risk 54/100SSVC: 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
Severity86% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 16, 2026

Advisory Details (1)

Auto-updated Jul 14, 2026
No patch confirmed yet.
generic

PSIRT | FortiGuard Labs

https://fortiguard.fortinet.com/psirt/FG-IR-26-145

Vendor Advisories for CVE-2026-59835(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 / 115× 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 167 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-59835?
CVE-2026-59835 is a high vulnerability published on July 14, 2026. A exposure of resource to wrong sphere vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may allow an unauthenticated attacker to access the VNC server of VMs performing scanning via network requests.
When was CVE-2026-59835 disclosed?
CVE-2026-59835 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59835 actively exploited?
CVE-2026-59835 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 67.5% of all scored CVEs.
What is the CVSS score of CVE-2026-59835?
CVE-2026-59835 has a CVSS v4.0 base score of 7.7 (CNA self-assessment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.6.
How do I remediate CVE-2026-59835?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59835, 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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