What is CVE-2026-4404?

CVE-2026-4404 is a critical-severity vulnerability in Harbor, classified under Use of Hard-coded Credentials. CVSS score: 9.4/10. Published 2026-03-23.

How severe is CVE-2026-4404?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Vulnerability in Harbor

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.

EPSS: 0.005 (40.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Harbor — versions 0.1.0
Linuxfoundation Harbor

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials
CWE-1393

References

cret@cert.org (Product)
cret@cert.org (Issue Tracking)
cret@cert.org (Not Applicable)
cret@cert.org (Issue Tracking)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2026-4404?: CVE-2026-4404 is a critical-severity vulnerability in Harbor, classified under Use of Hard-coded Credentials. CVSS score: 9.4/10. Published 2026-03-23.
How severe is CVE-2026-4404?: Critical severity. CVSS v3 base score is 9.4 out of 10.