id: GO-2025-3801
modules:
    - module: github.com/babylonlabs-io/babylon
      vulnerable_at: 1.1.0
    - module: github.com/babylonlabs-io/babylon/v2
      versions:
        - introduced: 2.0.0
        - fixed: 2.1.0
      vulnerable_at: 2.0.0
summary: |-
    Babylon vulnerable to chain halt when a message modifies the validator set at
    the epoch boundary in github.com/babylonlabs-io/babylon
ghsas:
    - GHSA-rj53-j6jw-7f7g
references:
    - advisory: https://github.com/babylonlabs-io/babylon/security/advisories/GHSA-rj53-j6jw-7f7g
    - fix: https://github.com/babylonlabs-io/babylon/pull/1244/files
    - web: 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
source:
    id: GHSA-rj53-j6jw-7f7g
    created: 2025-07-21T16:55:20.353185789Z
review_status: UNREVIEWED