No exploitation reportedFix available

CVE-2026-4404

Q: Is CVE-2026-4404 actively exploited?

Active exploitation of CVE-2026-4404 has not been confirmed. Its EPSS score was 0.6% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2026-4404?

CVE-2026-4404 has a CVSS v3 base score of 9.4 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

No exploitation reported by the sources we read.

Published2026-03-23
WeaknessCWE-1393 · CWE-798

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2026-03-2315:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-4404?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-4404?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Linuxfoundation harbor

Branch	Affected	Fixed in	Source
2.15	≤ 2.15.0	no fix published	NVD

goharbor/harbor

Branch	Affected	Fixed in	Source
2.15	≤ 2.15.0	no fix published	OSV

harbor

Branch	Affected	Fixed in	Source
2.15	< 2.15.1	2.15.1	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2026-03-23
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.19.42026-03-23
CISA-ADPweakness (CWE)CWE-1393, CWE-7982026-03-23
FIRST EPSSEPSS score0.6 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Published: 2026-03-23
Last Modified: 2026-08-10
NVD status: Analyzed

Frequently asked questions

What is CVE-2026-4404?

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.

Is CVE-2026-4404 actively exploited?

Active exploitation of CVE-2026-4404 has not been confirmed. Its EPSS score was 0.6% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-4404?

CVE-2026-4404 has a CVSS v3 base score of 9.4 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

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