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GO-2025-3801
Babylon vulnerable to chain halt when a message modifies the validator set at the epoch boundary in github.com/babylonlabs-io/babylon
Quick fix
GO-2025-3801 — github.com/babylonlabs-io/babylon/v2: upgrade to the fixed version with the command below.
go get github.com/babylonlabs-io/babylon/v2@v2.1.0Details
Babylon vulnerable to chain halt when a message modifies the validator set at the epoch boundary in github.com/babylonlabs-io/babylon
Are you affected?
Enter the version of the package you're using.
Affected packages
Go/github.com/babylonlabs-io/babylon
Introduced in:
0No fixed version published yet for github.com/babylonlabs-io/babylon (go modules). Pin to a known-safe version or switch to an alternative.
Go/github.com/babylonlabs-io/babylon/v2
Introduced in:
2.0.0Fixed in: 2.1.0Fix
go get github.com/babylonlabs-io/babylon/v2@v2.1.0References
- https://github.com/babylonlabs-io/babylon/security/advisories/GHSA-rj53-j6jw-7f7g[ADVISORY]
- https://github.com/babylonlabs-io/babylon/pull/1244/files[FIX]
- https://boiling-lake-106.notion.site/2025-06-18-Babylon-Genesis-Chain-Halt-Post-Mortem-229f60cc1b5f80b7adf5e3ea0541ea87[WEB]
- https://github.com/babylonlabs-io/babylon/releases/tag/v2.1.0[WEB]