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Kiteworks has released updates to address 126 vulnerabilities, including CVE-2026-54154 in the Email Protection Gateway, which could have been exploited remotely and without authentication to take control of a device with full administrative privileges. Users of versions older than 9.4.1 should update immediately.
Kiteworks lifted its precautionary warning to shut down systems after fixing a critical vulnerability in a feature used by fewer than 1% of customers, confirming that no breach or exploitation had been detected. The company has not yet disclosed details of the vulnerability or its CVE number.