ZetaChain Suffers $334,000 Exploit... Ignoring Previously Warned Vulnerability Exacerbated Damage

On April 26, 2026, ZetaChain suffered a targeted exploit resulting in the theft of approximately $334,000 from team-related wallets. Critics point out that this loss was entirely preventable, as it was revealed that the protocol's security team had dismissed a specific vulnerability report submitted through official channels weeks prior.

The hacker carefully pre-verified the allowance status and token balances of each target before execution.

The attacker utilized a "chained vulnerability" to compromise team wallets across four different chains. According to the post-mortem results, the attacker successfully withdrew all funds without a single destination failure, suggesting a highly precisely planned attack.

Ignored Warnings: The Tragedy of a Dismissed Bug Report

The core of this incident is that a white-hat security researcher accurately pointed out a flaw in the GatewayEVM contract via Immunefi. However, the ZetaChain security team dismissed the report, effectively allowing an attacker to steal funds through the same path.

• Official bug report submission and dismissal via Immunefi
• Neglect of chained design flaws within the GatewayEVM contract
• Theft of $333,868 in team wallet assets by the attacker
• Emergency suspension of cross-chain transactions following the incident

Technically, the attack was carried out by bypassing the logical structure of the GatewayEVM contract to gain fund withdrawal authorization. It is characterized by exploiting design loopholes to simultaneously attack assets distributed across multiple chains, raising questions about the protocol's fundamental security architecture.

ZetaChain took emergency measures to temporarily suspend all cross-chain activities immediately after detecting the incident. Fortunately, the attack was limited to team-related wallets, preventing the damage from spreading to general users' funds.

Market Reaction and ZETA Token Volatility

Despite the news of the security incident, the ZETA token showed a peculiar phenomenon, rising 16.44% over 24 hours to reach $0.0556. This is analyzed as having the characteristics of a "liquidity event" driven by a 1,273% surge in trading volume, exceeding $40 million.

However, from a long-term perspective, the ZETA token has lost more than 96% of its value since launch, and this security incident is likely to further dampen investor confidence. Immediately after the incident, the market showed extreme volatility, with the token temporarily dropping 4.8% and trading around the $0.054 level.

Costs of Security Management Systems and Future Challenges

• Full technical post-mortem report to be released
• Review of compensation for the researcher who submitted the bug report
• Security updates and re-audit of the GatewayEVM contract
• Phased restoration of cross-chain functionality and security enhancement

This incident clearly demonstrates the enormous costs that can result from a lack of communication between security researchers and protocol operators. Dismissing valid bug reports discourages future participation from white-hat researchers and deals a fatal blow to the protocol's reputation.

ZetaChain now faces the task of completely reviewing its security management processes in the wake of this incident. It is particularly urgent to strengthen verification expertise for reports received through the bug bounty program and to bolster infrastructure to prevent similar design flaws from recurring.