15 Jul 2026 17:01 UTC
Hackers manipulated Ostium's price feed by compromising an oracle signer key, allowing them to drain roughly $18 million from the Arbitrum-based perpetuals exchange.
➤ Perp DEX Ostium lost $18 million due to an oracle attack where hackers manipulated price feeds by compromising an oracle signer key.
➤ The stolen funds were in USDC, and the exploit drained nearly one-third of Ostium's total value locked on Arbitrum.
➤ The incident highlights a severe year for DeFi exploits, with experts warning that AI advancements are accelerating vulnerability discovery.
