Vulnerability record · CVE-2026-44383 · published 10 July 2026

CVE-2026-44383: Insufficient session expiration vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.56% · top 55.4% CWE-613 · Insufficient session expiration Deferred

8.7CVSS 4.0 base score

0.56%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

3References

13 Jul 2026Last modified by NVD

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/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
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/

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Source: NIST National Vulnerability Database (record CVE-2026-44383), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.