CVE-2026-4404: Use of hard coded credentials in GoHarbor Harbor version 2.15.0 and below, allows attackers to use the default

Q: How do I fix CVE-2026-4404?

harbor: upgrade to newer than 2.15.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-4404 being exploited?

CVE-2026-4404 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-4404 affect?

CVE-2026-4404 affects harbor. Severity is critical (CVSS 9.4). 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.

Q: How urgent is CVE-2026-4404?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

This month

CRITICAL 9.4REMOTEWATCHLISTUPGRADE

CVE-2026-4404 is a critical-severity flaw (CVSS 9.4) affecting harbor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.4 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-798, CWE-1393
Published	2026-03-23
Last modified	2026-08-10

Publisher (CNA): CERT/CC · Vendor: linuxfoundation

Last updated 2026-08-10 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-23 15:16 UTCPublished CVE record published
2026-08-10 14:36 UTCUpdated Record last modified

linuxfoundation harbor UPGRADE

Affected: <= 2.15.0

Fixed in: newer than 2.15.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy harbor || rpm -q harbor || harbor --version

2. UPGRADE to newer than 2.15.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade harbor

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade harbor

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-4404?

harbor: upgrade to newer than 2.15.0. Exact commands for each OS are on this page.

Is CVE-2026-4404 being exploited?

CVE-2026-4404 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-4404 affect?

CVE-2026-4404 affects harbor. Severity is critical (CVSS 9.4). 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 urgent is CVE-2026-4404?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Harbor vulnerabilities

References

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