Symbiosis Pauses BTC Routing After Bridge Vulnerability Lets Attacker Mint syBTC

Binance • September 13, 2026

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Symbiosis Halts BTC Routing After Bridge Vulnerability Exploited Symbiosis has paused Bitcoin bridge routing following a security incident where an attacker exploited a vulnerability to mint syBTC. The incident allowed the unauthorized creation of synthetic Bitcoin, impacting users relying on the bridge for transactions. The exact number of affected users and the financial impact remain unclear, but the incident has raised significant concerns within the cryptocurrency community. Symbiosis has not disclosed specific technical details about the vulnerability or the attack vector. The company is currently investigating the incident and has taken immediate steps to secure its systems. Users are advised to stay informed about updates from Symbiosis regarding the resolution and restoration of services. The situation is evolving, and further details are expected as the investigation progresses. 2 sources 59

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