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CVE-2026-20744 is an improper authentication vulnerability affecting the Hydro-Québec Le Circuit Electrique charging station backend. The flaw is present in a charging station WebSocket endpoint that accepts connections without proper authentication controls. Because the endpoint does not correctly enforce authentication before allowing access, a remote attacker may be able to establish a connection to functionality that should be restricted and then leverage that access to escalate privileges. Reported affected versions are version 0 through versions earlier than June_2026 under the vendor's custom versioning scheme.
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No public exploit code observed for this vulnerability.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.