Core Lightning urged operators running version 26.06.7 or earlier to upgrade immediately after receiving reports of attacks on unpatched nodes. According to NS3.AI, the team did not specify which vulnerabilities attackers were targeting or what impact the attacks may have had.

Core Lightning released version 26.06.8 on Sept. 22 with fixes for reported vulnerabilities. The update addressed flaws that could cause node crashes or put user funds at risk.