CVE-2026-54405

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-02. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

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

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Network Application to execute a Denial of Service (DoS) attack on the application.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity75% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

July 2, 2026

Last Modified

July 2, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic
https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc

Vendor Advisories for CVE-2026-54405(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 9× in last 7d / 72× 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 203 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-54405?
CVE-2026-54405 is a high vulnerability published on July 2, 2026. A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Network Application to execute a Denial of Service (DoS) attack on the application.
When was CVE-2026-54405 disclosed?
CVE-2026-54405 was first published in the National Vulnerability Database on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-54405 actively exploited?
CVE-2026-54405 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 57.3% of all scored CVEs.
What is the CVSS score of CVE-2026-54405?
CVE-2026-54405 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-54405?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54405, 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-2026-54405

Explore →

Is Your Infrastructure Affected by CVE-2026-54405?

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

Start Free Scan →Browse All CVEs