CVE-2026-46728

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 88% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 8.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
40
EG Risk 40/100

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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
EPSS PROB
0.1%
EPSS %ILE
2nd
KEV
Not listed

Published

May 16, 2026

Last Modified

September 11, 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
githubMentions a patch (unverified)

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.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
u-boot2021.01+dfsg-5, 2021.01+dfsg-5+deb11u1, 2021.01+dfsg-5+deb11u2
  • every version up to 2021.01+dfsg-5+deb11u3: fixed in 2021.01+dfsg-5+deb11u3
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
u-boot2023.01+dfsg-2, 2023.01+dfsg-2+deb12u1, 2023.01+dfsg-2+deb12u2
  • every version up to 2023.01+dfsg-2+deb12u3: fixed in 2023.01+dfsg-2+deb12u3
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
u-boot2025.01-3
  • every version up to 2025.01-3+deb13u1: fixed in 2025.01-3+deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
u-boot2025.01-3, 2025.01-3.1
  • every version up to 2025.01-3.2: fixed in 2025.01-3.2
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 27× 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 221 total refreshes for this CVE.

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

Related CVEs(same product + same CWE)

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 on May 16, 2026, with the most recent update on September 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46728 actively exploited?
CVE-2026-46728 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-46728?
CVE-2026-46728 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-46728?
A fix for CVE-2026-46728 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-46728 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-46728

Explore →

Is Your Infrastructure Affected by CVE-2026-46728?

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

Book a Demo →Browse All CVEs