How severe is CVE-2026-4404?

CVE-2026-4404 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2026-4404 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-4404?

CVE-2026-4404 affects Linuxfoundation Harbor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-4404?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-4404 have an EU (EUVD) identifier?

Yes. CVE-2026-4404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14455.

When was CVE-2026-4404 published?

CVE-2026-4404 was published on 2026-03-23 and last updated on 2026-08-10.

CVE-2026-4404

CVE-2026-4404 is a critical-severity vulnerability in Linuxfoundation Harbor with a CVSS 3.x base score of 9.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.4)
EPSS exploit prediction: 0% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14455
Weakness: CWE-798
Affected product: Linuxfoundation Harbor
Published: 2026-03-23
Last modified: 2026-08-10

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.

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.
How severe is CVE-2026-4404?: CVE-2026-4404 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2026-4404 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-4404?: CVE-2026-4404 affects Linuxfoundation Harbor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-4404?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-4404 have an EU (EUVD) identifier?: Yes. CVE-2026-4404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14455.
When was CVE-2026-4404 published?: CVE-2026-4404 was published on 2026-03-23 and last updated on 2026-08-10.

References

Affected products (1)

cpe:2.3:a:linuxfoundation:harbor:*:*:*:*:*:*:*:*

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