CVE-2026-4404

CRITICALPre-NVD 9.49.4—
EchelonGraph scoreMEDIUM confidence

Score 9.4 from GitHub Security Advisory (severity: CRITICAL) published 2026-03-23. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
9.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.4Exploit: None knownExposed: 0

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

Use of hard coded credentials in GoHarbor Harbor version 2.15.0 and below, allows attackers to use the default password and gain access to the web UI.

CVSS v3
9.4
EG Score
9.4(medium)
EG Risk
47(Track)
EG Risk 47/100SSVC: 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
Severity94% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
41%
KEV
Not listed

Published

March 23, 2026

Last Modified

August 10, 2026

Advisory Details (5)

Auto-updated Sep 14, 2026
No patch confirmed yet. Sources: github_pr, cert.
cert

VU#577436 - Hard coded credentials vulnerability in GoHarbor's Harbor

https://www.kb.cert.org/vuls/id/577436
generic

Harbor docs | Run the Installer Script

https://goharbor.io/docs/1.10/install-config/run-installer-script/#:~:text=If%20you%20did%20not%20change%20them%20in%20harbor.yml,%20the%20default%20administrator%20username%20and%20password%20are%20admin%20and%20Harbor12345
github_pr

Secure install adds password prompt and keeps the default password line commented requiring installer action.

Upstream fix in progress (PR #22751 · goharbor/harbor, state=closed)

https://github.com/goharbor/harbor/pull/22751
generic

Harbor Default passwords should be required to be changed at first logon · Issue #1937 · goharbor/harbor · GitHub

https://github.com/goharbor/harbor/issues/1937
generic

CWE - CWE-1393: Use of Default Password (4.20)

https://cwe.mitre.org/data/definitions/1393.html

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
gogithub.com/goharbor/harbor—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/goharbor/harbor———

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 23× 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.

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

Frequently asked(5)

What is CVE-2026-4404?
CVE-2026-4404 is a critical vulnerability published on March 23, 2026. Use of hard coded credentials in GoHarbor Harbor version 2.15.0 and below, allows attackers to use the default password and gain access to the web UI.
When was CVE-2026-4404 disclosed?
CVE-2026-4404 was first published in the National Vulnerability Database on March 23, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4404 actively exploited?
CVE-2026-4404 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 58.8% of all scored CVEs.
What is the CVSS score of CVE-2026-4404?
CVE-2026-4404 has a CVSS v3.1 base score of 9.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-4404?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4404, 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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