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Harbor CVE-2026-4404

| EUVDEUVD-2026-14455 CRITICAL
Use of Default Password (CWE-1393)
2026-03-23 certcc
9.4
CVSS 3.1 · Vendor: certcc
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Severity by source

Vendor (certcc) PRIMARY
9.4 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
SUSE
CRITICAL
qualitative

Primary rating from Vendor (certcc).

CVSS VectorVendor: certcc

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

Lifecycle Timeline

3
EUVD ID Assigned
Mar 23, 2026 - 15:15 euvd
EUVD-2026-14455
Analysis Generated
Mar 23, 2026 - 15:15 vuln.today
CVE Published
Mar 23, 2026 - 14:47 nvd
CRITICAL 9.4

DescriptionCVE.org

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.

AnalysisAI

GoHarbor Harbor versions 2.15.0 and earlier contain hardcoded default credentials that allow unauthenticated attackers to gain administrative access to the web UI using the default username 'admin' and password 'Harbor12345'. This vulnerability enables complete compromise of the container registry, including image manipulation, deletion, and unauthorized access to stored artifacts. The issue has been documented in GitHub issues and pull requests within the Harbor project, indicating active awareness and remediation efforts by the development team.

Technical ContextAI

Harbor is an open-source container image registry that provides secure image storage, vulnerability scanning, and access control. The vulnerability stems from CWE-1393 (use of hardcoded credentials), where default administrative credentials are embedded in the application configuration or deployment process rather than being securely generated during initial setup. The affected product is identified by CPE 2.3:a:harbor:harbor:*:*:*:*:*:*:*:*, indicating all versions up to 2.15.0 lack proper credential initialization mechanisms. The vulnerability allows attackers to bypass authentication controls entirely, treating the web UI as an unauthenticated administrative interface when default credentials remain unchanged.

RemediationAI

Upgrade GoHarbor Harbor to version 2.15.1 or later, which implements secure credential initialization. During initial deployment, immediately change the default administrator credentials from 'admin' / 'Harbor12345' to a strong, unique password via the Harbor web UI or API. For instances that cannot be immediately patched, implement network-level access controls by restricting access to the Harbor web UI to trusted IP ranges only, and place the Harbor instance behind a reverse proxy that enforces mutual TLS authentication. Audit all existing Harbor deployments to identify instances still using default credentials and prioritize their remediation. Review the GitHub pull request #22751 and associated security advisories from the Harbor project for deployment-specific guidance.

More in Harbor

View all
CVE-2017-17697 HIGH POC
8.6 Dec 15

The Ping() function in ui/api/target.go in Harbor through 1.3.0-rc4 has SSRF via the endpoint parameter to /api/targets/

CVE-2023-20902 MEDIUM POC
6.5 Nov 09

A timing condition in Harbor 2.6.x and below, Harbor 2.7.2 and below, Harbor 2.8.2 and below, and Harbor 1.10.17 and bel

CVE-2019-16097 MEDIUM POC
6.5 Sep 08

core/api/user.go in Harbor 1.7.0 through 1.8.2 allows non-admin users to create admin accounts via the POST /api/users A

CVE-2020-13794 MEDIUM POC
4.3 Sep 30

Harbor 1.9.* 1.10.* and 2.0.* allows Exposure of Sensitive Information to an Unauthorized Actor. Rated medium severity (

CVE-2020-13788 MEDIUM POC
4.3 Jul 15

Harbor prior to 2.0.1 allows SSRF with this limitation: an attacker with the ability to edit projects can scan ports of

CVE-2019-16919 HIGH
7.5 Oct 18

Harbor API has a Broken Access Control vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exp

CVE-2024-22244 MEDIUM
6.1 Jun 10

Open Redirect in Harbor <=v2.8.4, <=v2.9.2, and <=v2.10.0 may redirect a user to a malicious site. Rated medium severity

CVE-2024-22261 MEDIUM
5.5 Jun 11

SQL-Injection in Harbor allows priviledge users to leak the task IDs. Rated medium severity (CVSS 5.5), this vulnerabili

CVE-2024-22278 MEDIUM
4.3 Aug 02

Incorrect user permission validation in Harbor <v2.9.5 and Harbor <v2.10.3 allows authenticated users to modify configur

CVE-2019-3990 MEDIUM
4.3 Dec 03

A User Enumeration flaw exists in Harbor. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable,

Vendor StatusVendor

SUSE

Severity: Critical
Product Status
openSUSE Leap 15.6 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP5 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP6 Fixed
openSUSE Leap 15.5 Fixed

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CVE-2026-4404 vulnerability details – vuln.today

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