Conflux v3.0.3-fix Upgrade Released to Fix Critical Crash Issue

MetaEra

Release Time: 05/22/2026 12:47:44

Summary

Conflux has deployed a blockchain upgrade, v3.0.3-fix, to resolve a critical crash issue under certain conditions. Node operators are urged to upgrade immediately. The updated node software is available on the official GitHub page. Existing nodes must be stopped, the 'conflux' executable in the 'run' directory replaced, and then restarted. New nodes can use the updated version directly. Delaying this network upgrade may impact transaction processing and mining rewards.

The main issues addressed in this upgrade are—

Security patch

Fixed an issue that could cause the program to crash under certain conditions; node operators are strongly advised to upgrade as soon as possible.

Download

The new node software can be downloaded here: https://github.com/Conflux-Chain/conflux-rust/releases/tag/v3.0.3-fix

I am a node operator/miner—what do I need to do?

If the node is already running, first pause its operation, then replace the "conflux" executable file in the run directory of the original node program with the conflux executable from the Conflux v3.0.3-fix node program, and restart.
If you are starting a new node, download the latest version of Conflux v3.0.3-fix and run it.

What happens if you don't upgrade your node?

We recommend upgrading your node to the new version; failing to do so may affect transaction broadcasting and miner rewards.

Thank you for your support!

Thank you sincerely to the Conflux community and all developers in the Conflux ecosystem for your dedication, thoughtfulness, and contributions, which are helping to build a better future for Conflux.

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