VulnerabilityAnalyzed

CVE-2026-26051

WebSocket endpoints lack proper authentication mechanisms, enabling attackers to perform unauthorized station impersonation and manipulate data sent to the backend.

CRITICAL 9.3EPSS 0.87%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 4.0: 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.87% probability · 57th percentile
CISA KEV: Not listed
Weakness: CWE-306
Affected: mvm/mobiliti e-mobi.hu
Source: ics-cert@hq.dhs.gov

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-062-06.jsonProduct
https://mobiliti.hu/emobilitas/ugyfeltamogatas/ugyfelszolgalatProduct
https://www.cisa.gov/news-events/ics-advisories/icsa-26-062-06US Government Resource

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.