CVE-2026-59837

MEDIUMPre-NVD 6.66.6—
EchelonGraph scoreMEDIUM confidence

Score 6.6 from GitHub Security Advisory published 2026-07-14. a secondary CVSS source baseline 6.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 6.6Exploit: None knownExposed: 0

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

A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2 all versions, FortiPAM 1.8.0 through 1.8.2, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions may allow a privileged authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.

CVSS v3
6.6
EG Score
6.6(medium)
EG Risk
30(Track)
EG Risk 30/100SSVC: 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
Severity66% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
49%
KEV
Not listed

Published

July 14, 2026

Last Modified

August 11, 2026

Advisory Details (1)

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

PSIRT | FortiGuard Labs

https://fortiguard.fortinet.com/psirt/FG-IR-26-148

Vendor Advisories for CVE-2026-59837(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 133 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. 2026-08-27 22:15 UTCEG score recompute
  6. 2026-08-27 22:15 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-26 23:56 UTCEG score recompute
  9. 2026-08-26 23:56 UTCGHSA enrichment
  10. 2026-08-26 14:46 UTCEPSS rescore
  11. 2026-08-25 19:12 UTCEG score recompute
  12. 2026-08-25 19:12 UTCGHSA enrichment
  13. 2026-08-25 13:49 UTCEPSS rescore
  14. 2026-08-24 19:50 UTCEG score recompute
  15. 2026-08-24 19:50 UTCGHSA enrichment
  16. 2026-08-23 17:56 UTCEG score recompute
  17. 2026-08-23 17:56 UTCGHSA enrichment
  18. 2026-08-23 00:19 UTCEPSS rescore
  19. 2026-08-22 19:37 UTCEG score recompute
  20. 2026-08-22 19:37 UTCGHSA enrichment
  21. 2026-08-21 23:49 UTCEPSS rescore
  22. 2026-08-21 21:15 UTCEG score recompute
  23. 2026-08-21 21:15 UTCGHSA enrichment
  24. 2026-08-20 22:55 UTCEPSS rescore
  25. 2026-08-20 22:54 UTCGHSA enrichment
Show 75 more
  1. 2026-08-20 00:34 UTCEG score recompute
  2. 2026-08-20 00:34 UTCGHSA enrichment
  3. 2026-08-19 17:04 UTCEPSS rescore
  4. 2026-08-19 00:59 UTCEG score recompute
  5. 2026-08-19 00:59 UTCGHSA enrichment
  6. 2026-08-18 13:48 UTCEPSS rescore
  7. 2026-08-18 02:39 UTCEG score recompute
  8. 2026-08-18 02:39 UTCGHSA enrichment
  9. 2026-08-17 13:47 UTCEPSS rescore
  10. 2026-08-17 04:15 UTCEG score recompute
  11. 2026-08-17 04:15 UTCGHSA enrichment
  12. 2026-08-16 14:56 UTCEPSS rescore
  13. 2026-08-16 05:55 UTCEG score recompute
  14. 2026-08-16 05:55 UTCGHSA enrichment
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-15 07:36 UTCEG score recompute
  17. 2026-08-15 07:36 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 08:22 UTCEG score recompute
  20. 2026-08-14 08:22 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-13 10:02 UTCEG score recompute
  23. 2026-08-13 10:02 UTCGHSA enrichment
  24. 2026-08-12 13:51 UTCEPSS rescore
  25. 2026-08-12 11:43 UTCEG score recompute
  26. 2026-08-12 11:43 UTCGHSA enrichment
  27. 2026-08-11 13:23 UTCEG score recompute
  28. 2026-08-11 13:23 UTCGHSA enrichment
  29. 2026-08-11 13:22 UTCNVD updateCVSS v3 → 6.6
  30. 2026-08-11 12:37 UTCEG score recompute
  31. 2026-08-11 12:37 UTCGHSA enrichment
  32. 2026-08-11 12:37 UTCMITRE cvelistV5CVSS v3 → 5.9
  33. 2026-08-11 07:30 UTCEG score recompute
  34. 2026-08-11 07:30 UTCGHSA enrichment
  35. 2026-08-11 00:00 UTCEPSS rescore
  36. 2026-08-10 09:10 UTCEG score recompute
  37. 2026-08-10 09:10 UTCGHSA enrichment
  38. 2026-08-09 13:46 UTCEPSS rescore
  39. 2026-08-09 10:51 UTCEG score recompute
  40. 2026-08-09 10:51 UTCGHSA enrichment
  41. 2026-08-08 16:37 UTCEPSS rescore
  42. 2026-08-08 12:31 UTCEG score recompute
  43. 2026-08-08 12:31 UTCGHSA enrichment
  44. 2026-08-07 14:11 UTCGHSA enrichment
  45. 2026-08-06 15:51 UTCEG score recompute
  46. 2026-08-06 15:51 UTCGHSA enrichment
  47. 2026-08-06 13:47 UTCEPSS rescore
  48. 2026-08-05 19:17 UTCEPSS rescore
  49. 2026-08-05 17:28 UTCGHSA enrichment
  50. 2026-08-04 19:09 UTCEG score recompute
  51. 2026-08-04 19:09 UTCGHSA enrichment
  52. 2026-08-04 15:10 UTCEPSS rescore
  53. 2026-08-04 10:39 UTCEPSS rescore
  54. 2026-08-03 20:50 UTCEG score recompute
  55. 2026-08-03 20:50 UTCGHSA enrichment
  56. 2026-08-03 10:36 UTCEPSS rescore
  57. 2026-08-02 22:30 UTCEG score recompute
  58. 2026-08-02 22:30 UTCGHSA enrichment
  59. 2026-08-02 02:27 UTCEPSS rescore
  60. 2026-08-02 00:11 UTCEG score recompute
  61. 2026-08-02 00:11 UTCGHSA enrichment
  62. 2026-08-01 04:16 UTCEPSS rescore
  63. 2026-08-01 01:50 UTCGHSA enrichment
  64. 2026-07-31 03:30 UTCEG score recompute
  65. 2026-07-31 03:30 UTCGHSA enrichment
  66. 2026-07-30 16:28 UTCEPSS rescore
  67. 2026-07-30 05:10 UTCEG score recompute
  68. 2026-07-30 05:10 UTCGHSA enrichment
  69. 2026-07-30 01:30 UTCEPSS rescore
  70. 2026-07-30 01:30 UTCEPSS rescore
  71. 2026-07-29 06:49 UTCEG score recompute
  72. 2026-07-29 06:48 UTCGHSA enrichment
  73. 2026-07-28 15:37 UTCEPSS rescore
  74. 2026-07-28 08:26 UTCEG score recompute
  75. 2026-07-28 08:25 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-59837?
CVE-2026-59837 is a medium vulnerability published on July 14, 2026. A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2 all versions, FortiPAM 1.8.0 through 1.8.2, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all…
When was CVE-2026-59837 disclosed?
CVE-2026-59837 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59837 actively exploited?
CVE-2026-59837 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 50.9% of all scored CVEs.
What is the CVSS score of CVE-2026-59837?
CVE-2026-59837 has a CVSS v3 base score of 6.6 (NVD).
How do I remediate CVE-2026-59837?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59837, 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-2026-59837

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