Is CVE-2026-3893 actively exploited?

CVE-2026-3893 has no public evidence of in-the-wild exploitation as of 2026-04-28.

What is the CVSS score for CVE-2026-3893?

CVE-2026-3893 has a CVSS score of 9.4 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.

How do I patch CVE-2026-3893?

Vendor patch guidance is linked from the references on this page. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-3893.

Which products are affected by CVE-2026-3893?

Affected products for CVE-2026-3893 are listed on this page once vendor data becomes available.

Fix CVE-2026-3893 - CRITICAL Vulnerability

Description

The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, allowing an attacker with network access to directly access and modify its configuration and operational functions without needing credentials.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: high
Availability: high
Weaknesses: CWE-306 · Missing Authentication

Metadata

Primary Vendor: UNKNOWN
Published: 4/28/2026
Last Modified: 4/28/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-3893

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary