CVE-2026-28767

Received Received - Intake

Unauthorized Access via Unauthenticated Administrative Notifications Endpoint

Publication date: 2026-04-03

Last updated on: 2026-04-22

Assigner: ICS-CERT

Description

A specific administrative endpoint notifications is accessible without proper authentication.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-04-03

Last Modified

2026-04-22

Generated

2026-07-06

AI Q&A

2026-04-04

EPSS Evaluated

2026-07-05

NVD

CVE-2026-28767

Affected Vendors & Products

Vendor	Product	Version / Range
mygardyn	cloud_api	to 2.12.2026 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This vulnerability involves a specific administrative endpoint named 'notifications' that can be accessed without proper authentication.

Impact Analysis

Because the administrative notifications endpoint is accessible without authentication, unauthorized users could potentially access sensitive notification information.

The CVSS v3.1 score of 5.3 indicates a medium severity impact with low complexity and no privileges required, and the impact is limited to confidentiality (partial information disclosure).

Compliance Impact

This vulnerability involves an administrative endpoint that is accessible without proper authentication, which could lead to unauthorized access to sensitive information.

Such unauthorized access risks may impact compliance with standards and regulations like GDPR and HIPAA, which require protection of sensitive data and proper access controls.

However, specific impacts on compliance cannot be determined from the provided information.

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