{"event":{"id":"evt-hist-phase34-xrpl-vuln","dedupe_key":"security_disclosure:2026-10-09:xrp-ledger-publishes-payment-engine-overflow-vulnerability-disclosure","event_type":"security_disclosure","title":"XRP Ledger publishes payment-engine overflow vulnerability disclosure","summary":"XRP Ledger documents a payment-engine overflow reported September 22 and fixed in version 3.4.1 September 25; Oct 9 is public disclosure and a separate batch amendment activation. No reported exploitation.","occurred_at":"2026-10-09T00:00:00.000Z","published_at":"2026-10-09T00:00:00.000Z","observed_at":"2026-10-18T12:00:00.000Z","reconstructed_at":"2026-10-18T12:00:00.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.83,"metadata":{"evidence_only":1,"global_novelty_unproven":1,"independent_outcomes_unproven":1,"original_index_position":1247},"created_at":"2026-10-19T06:04:47.420Z","updated_at":"2026-10-19T06:04:47.420Z"},"artifacts":[{"id":"art-hist-phase34-xrpl-vuln","dedupe_key":"826960edf4157f0d697e236999a930e0b0d74f385f4e3030814d96b567f2d73a","canonical_url":"https://xrpl.org/blog/2026/vulnerabilitydisclosurereport-bug-20261009","evidence_locator":"","artifact_type":"original_publication","title":"XRP Ledger publishes payment-engine overflow vulnerability disclosure","summary":"","creator_entities":[],"released_at":"2026-10-09T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-19T06:04:47.419Z","updated_at":"2026-10-19T06:04:47.419Z","relation":"documented_by"}],"signals":[]}