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CVE-2026-44383 is an availability vulnerability in Hydro-Québec's Le Circuit Electrique charging station backend. The backend permits multiple simultaneous connections that reuse the same charging station identifier, rather than enforcing uniqueness or rejecting duplicate active sessions for a station. This weakness allows an attacker to instantiate multiple malicious OCPP client sessions that all present the same charging station ID and connect to the backend concurrently. By abusing this session and identity handling flaw, an attacker can overwhelm backend resources and disrupt normal service. Reported affected versions are version 0 through versions earlier than June 2026.
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No public exploit code observed for this vulnerability.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.