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DxSale confirms the impact of the BSC atomic transaction vulnerability on v1 locked assets

Chaincatcher • May 31, 2026

DxSale.Network posted on platform X in response to a security incident, revealing that the recent vulnerability originated from the newly launched atomic swap feature on the Binance Smart Chain (BSC), affecting the v1 lock-up contract that was launched in 2021.

The team has identified the source of the issue and stated that the v2 and above versions of the lock-up contract are completely secure and have passed the Certik audit. Users can rest assured that assets locked in v2 and above are not affected.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

DxSale Suffers $7.3M Exploit Due to BNB Chain Compatibility Issue On May 30, 2026, DxSale reported a security incident involving a vulnerability in its v1 lockup contracts, launched in 2021, caused by a compatibility issue with BNB Chain's Atomic Transaction feature. The exploit led to the theft of approximately $7.3 million from over 1,400 liquidity pools. The affected contracts were identified, and it was confirmed that v2 and later contracts are secure and unaffected, having passed CertiK audits. The attack involved manipulating ownership through a backdoor contract, with the attacker transferring 2,958 BNB (around $1.87 million) to multiple wallets. DxSale reassured users that their funds in v2, v3, and subsequent versions remain safe. The incident has drawn significant market attention due to the scale of the theft and the nature of the vulnerability. 5 sources 65

DxSale confirms the impact of the BSC atomic transaction vulnerability on v1 locked assets

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