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Cosmos's Gravity Bridge announced it would shut down after being attacked.

Panewslab • May 31, 2026

PANews reported on May 31 that the Cosmos ecosystem cross-chain bridge Gravity Bridge was previously suspected of being attacked due to a leaked signature key, resulting in the theft of approximately $5.4 million in assets. The official team has confirmed the security incident and has immediately suspended bridging services to conduct an investigation. They have also requested validators to suspend the operation of validator nodes and coordinators.

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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.

Gravity Bridge in Cosmos Ecosystem Suffers $5.4 Million Theft Due to Key Leak The Gravity Bridge, a cross-chain bridge in the Cosmos ecosystem, has been attacked following the leakage of its signing keys. Approximately $5.4 million in assets were stolen as a result. The official team confirmed the security incident and has suspended bridge services for an investigation. Validators have been requested to halt the operation of validation nodes and coordinators. The incident highlights vulnerabilities in the management of signing keys within blockchain infrastructure. The exact method of the attack remains under investigation, but the compromise of contract keys is suspected. The situation is ongoing, with further updates expected as the investigation progresses. 2 sources 66

Cosmos's Gravity Bridge announced it would shut down after being attacked.

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Extracted Entities

Attack Types (1)

Companies (1)