CVE-2026-46728

HIGHNVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-05-17. NVD baseline CVSS 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.2Exploit: NoneExposed: 0

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

Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.

CVSS v3
8.2
EG Score
8.2(medium)
EPSS
2.7%
KEV
Not listed

Published

May 16, 2026

Last Modified

May 18, 2026

Advisory Details (2)

Auto-updated May 16, 2026
Patch available. Sources: github.
generic

boot: Add fit_config_get_hash_list() to build signed node list · u-boot/u-boot@2092322 · GitHub

https://github.com/u-boot/u-boot/commit/2092322b31cc8b1f8c9e2e238d1043ae0637b241
github Patch Available

Critical FIT Signature Verification Bypass Vulnerability · Advisory · barebox/barebox · GitHub

https://github.com/barebox/barebox/security/advisories/GHSA-3fvj-q26p-j6h4

Vendor Advisories for CVE-2026-46728(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 6× in last 7d / 65× 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 137 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-46728?
CVE-2026-46728 is a high vulnerability published on May 16, 2026. Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.
When was CVE-2026-46728 disclosed?
CVE-2026-46728 was first published in the National Vulnerability Database on May 16, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46728 actively exploited?
CVE-2026-46728 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-46728?
CVE-2026-46728 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-46728?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46728, 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.

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