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Security Incident · ETH Ecosystem

0G Foundation Private Key Leak: $520.00K Reported Loss

·Historical incident record

The 0G Foundation posted on X that a targeted attack on December 11 resulted in a breach of their reward contract.

Reported loss
$ 520,000
Attack category
Private Key Leakage

Incident Overview

The attacker exploited the emergency withdrawal function of the 0G reward contract, which is used for distributing alliance rewards, stealing 520,010 $0G tokens, 9.93 ETH, and $4,200 worth of USDT. These tokens were subsequently bridged and dispersed through Tornado Cash. Due to a critical vulnerability in Next.js (CVE-2025-66478) exploited on December 5, the attacker moved laterally via internal IP addresses, affecting services including the Alignment service, Validator nodes, Gravity NFT service, Node Sales service, Compute, Aiverse, Perpdex, Ascend, and others. However, the core chain infrastructure and user funds remained unaffected.

Sources & References

This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.