{"action":"Upgrade github.com/babylonlabs-io/babylon/v4 to 4.2.0 or later.","affected":[{"fixed":"4.2.0","introduced":"0"}],"component":"github.com/babylonlabs-io/babylon/v4","cve_ids":[],"ecosystem":"Go","exploited":false,"fixed_versions":["4.2.0"],"ghsa_id":"GHSA-4rmq-mc2c-r495","id":"tcs_01M5KEX3GRS26JKN6E4742ETYK","modified_at":"2025-12-15T19:56:17.439286Z","published_at":"2025-12-09T14:25:03Z","references":["https://osv.dev/vulnerability/GHSA-4rmq-mc2c-r495","https://github.com/babylonlabs-io/babylon/security/advisories/GHSA-4rmq-mc2c-r495","https://github.com/babylonlabs-io/babylon/commit/e65c3a55a398a403103f1b089cf76f0d4befc7a0","https://github.com/babylonlabs-io/babylon"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-4rmq-mc2c-r495","url":"https://osv.dev/vulnerability/GHSA-4rmq-mc2c-r495"}],"summary":"Babylon Incorrect FP inactive accounting in costaking creates “phantom stake” that earns rewards after BTC unbond"}