CVE-2026-44277

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-12. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
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 improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via crafted requests.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
42.3%
KEV
Not listed

Published

May 12, 2026

Last Modified

May 28, 2026

Advisory Details (1)

Auto-updated Jun 20, 2026
No patch confirmed yet.
generic

PSIRT | FortiGuard Labs

https://fortiguard.fortinet.com/psirt/FG-IR-26-128

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 57× 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 284 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-44277?
CVE-2026-44277 is a critical vulnerability published on May 12, 2026. A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via crafted requests.
When was CVE-2026-44277 disclosed?
CVE-2026-44277 was first published in the National Vulnerability Database on May 12, 2026, with the most recent update on May 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44277 actively exploited?
CVE-2026-44277 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-44277?
CVE-2026-44277 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-44277?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44277, 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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