VulnerabilityDeferred

CVE-2026-44383

Multiple connections to the backend using the same charging station ID are allowed, which could allow an attacker to deploy multiple instances of malicious OCPP clients to overwhelm the backend.

HIGH 8.7EPSS 0.56%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Multiple connections to the backend using the same charging station ID are allowed, which could allow an attacker to deploy multiple instances of malicious OCPP clients to overwhelm the backend.

CVSS 4.0: 8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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: 0.56% probability · 45th percentile
CISA KEV: Not listed
Weakness: CWE-613
Source: ics-cert@hq.dhs.gov

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-188-01.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-188-01
https://www.hydroquebec.com/nous-joindre/

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