What is the CVSS score of CVE-2026-27028?

CVE-2026-27028 has a CVSS 3.1 base score of 9.4 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L. EPSS exploitation probability: 0.1%.

Which versions of Mobility46.Se are affected by CVE-2026-27028?

A critical vulnerability in WebSocket endpoints allows attackers to bypass authentication and impersonate legitimate systems, potentially enabling unauthorized data manipulation and system…

How to fix or mitigate CVE-2026-27028?

Within 24 hours: Identify all systems exposing affected WebSocket endpoints and assess current traffic; isolate critical systems from untrusted networks if possible. Within 7 days: Implement network segmentation to restrict WebSocket access to authorized networks only, deploy WAF rules to enforce additional validation on WebSocket handshakes, and enable enhanced logging/monitoring. Within 30 days: Develop or procure a compensating authentication layer, coordinate with vendor for patch availability, and conduct security testing to validate all mitigations.

Mobility46.Se CVE-2026-27028

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2026-02-27 ics-cert@hq.dhs.gov

Authentication Bypass Mobility46.Se

9.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.4 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 27, 2026 - 01:16 nvd

CRITICAL 9.4

DescriptionCVE.org

WebSocket endpoints lack proper authentication mechanisms, enabling attackers to perform unauthorized station impersonation and manipulate data sent to the backend. An unauthenticated attacker can connect to the OCPP WebSocket endpoint using a known or discovered charging station identifier, then issue or receive OCPP commands as a legitimate charger. Given that no authentication is required, this can lead to privilege escalation, unauthorized control of charging infrastructure, and corruption of charging network data reported to the backend.

AnalysisAI

Missing WebSocket authentication — sixth CVE in the industrial platform WebSocket family. Same pattern of unauthenticated access enabling station impersonation and data injection.