Description
A security vulnerability has been detected in dotnet eShop up to 913acea66708a59595351174cee9b29f37179d29. The affected element is the function AddApplicationServices of the file src/Catalog.API/Extensions/Extensions.cs of the component Catalog API. The manipulation leads to improper authentication. The attack can be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.
Published: 2026-10-19
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized access via improper authentication
Action: Control Access
AI Analysis

Impact

The error lies in the AddApplicationServices routine of the Catalog API. Because the routine fails to enforce proper credential verification, any requester can circumvent the normal authentication flow and gain access to catalog endpoints that are intended to be protected. This flaw is classified as improper authentication (CWE‑287). The failure to validate credentials enables unauthorized access to catalog data, which may contain sensitive business information.

Affected Systems

The vulnerability is specific to the dotnet eShop e-commerce platform, affecting the Catalog API component. All deployments running code prior to or up to commit 913acea66708a59595351174cee9b29f37179d29 are potentially exposed. No official patch has been released and the issue remains open on the project’s GitHub tracker.

Risk and Exploitability

The CVSS score of 6.9 marks it a moderate risk. The EPSS information is unavailable, and the vulnerability is not listed in the CISA KEV catalog, indicating no reported widespread exploitation yet. Nonetheless, the flaw can be triggered remotely without local privilege escalation, and the ability to bypass authentication makes it a significant concern for services exposed to the internet.

Generated by OpenCVE AI on October 19, 2026 at 05:23 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Add a middleware layer that verifies a valid authentication token or API key in every request to the Catalog API before routing to business logic, rejecting unauthenticated traffic.
  • Limit exposure of the Catalog API to trusted networks by configuring a reverse proxy or firewall to accept connections only from known IP ranges or require TLS client certificates.
  • Follow the project’s issue tracker for a definitive fix; once a commit that resolves the AddApplicationServices authentication problem is merged, upgrade the source code to that revision.

Generated by OpenCVE AI on October 19, 2026 at 05:23 UTC.

Tracking

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Advisories

No advisories yet.

History

Mon, 19 Oct 2026 03:00:00 +0000

Type Values Removed Values Added
Description A security vulnerability has been detected in dotnet eShop up to 913acea66708a59595351174cee9b29f37179d29. The affected element is the function AddApplicationServices of the file src/Catalog.API/Extensions/Extensions.cs of the component Catalog API. The manipulation leads to improper authentication. The attack can be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.
Title dotnet eShop Catalog API Extensions.cs AddApplicationServices improper authentication
First Time appeared Dotnet
Dotnet eshop
Weaknesses CWE-287
CPEs cpe:2.3:a:dotnet:eshop:*:*:*:*:*:*:*:*
Vendors & Products Dotnet
Dotnet eshop
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Subscriptions

Dotnet Eshop
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-19T02:45:18.604Z

Reserved: 2026-10-18T10:46:29.599Z

Link: CVE-2026-112044

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-19T03:16:59.153

Modified: 2026-10-19T03:16:59.153

Link: CVE-2026-112044

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T05:30:13Z

Weaknesses