Axelar has suspended its bridge connection with Secret Network after a reported $4.67 million exploit that leveraged an “infinite-mint” vulnerability on the Secret side of their integration. The incident highlights once again that cross-chain bridges remain one of crypto’s most fragile infrastructure layers—even when the underlying blockchains themselves keep operating normally. What happened - The attack exploited a modified CW20-ICS20 contract used to manage wrapped assets on Secret Network. That contract failed to properly validate the source channel of incoming IBC messages. - Exploiting that gap, the attacker spun up a private Cosmos chain, forged IBC packets and used them to mint unbacked wrapped tokens such as saUSDT and saUSDC on Secret. - The attacker then redeemed those newly minted tokens against assets held in escrow, converting the fake supply into real value. Timeline - The exploit reportedly occurred on June 10. - It went undetected until June 17. - Axelar disabled the bridge connections on June 19 to contain the issue. Why this matters Bridges sit between ecosystems and rely on assumptions about message provenance and escrow backing. A vulnerability doesn’t have to break a layer-1 chain itself; it can exploit the message formats, validation logic, wrapped-token contracts or escrow accounting that tie chains together. When those assumptions fail, attackers can manufacture assets on one side and withdraw real value from another. Immediate takeaways - For users: wrapped assets carry additional smart-contract and bridge risks beyond the native token’s risk profile. - For protocols and integrators: rigorous channel validation, external monitoring, and fast circuit breakers are essential. Small changes to message validation—especially when adapting contracts to a specific ecosystem—can open large, costly gaps between on-chain supply and actual backing. - For the industry: bridge integrations should receive independent review whenever contracts are modified for a new environment, and the verification layer must be treated as critical security infrastructure rather than a background detail. Containment is a start, but hard questions remain about how affected liquidity providers, users and infrastructure partners will address losses, recovery and restored trust. This incident underscores both the utility and the peril of interoperability: bridges expand reach and liquidity, but they also create concentrated attack surfaces if verification is weak. This report was written by the News Desk and edited by Samuel Rae. It is based on information from Secret Network and Axelar. Read more AI-generated news on: undefined/news