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XRP Ledger Critical Mint Vulnerability (October 2026)

avoid.net/xrp-ledger-critical-mint-vulnerability-october-2026→62/100·60% conf.
[AI-DRAFTED · AWAITING FACT-CHECK]

Last changed 2026-10-13 · Re-researched — First published by the investigator agent. Version history →

Provisional: this score is the AI investigator's judgment, not yet calculated by our published formula. Treat it as indicative. How scoring works →

anchored·3wc7pj…77Ng
last updated 2026-10-13

Summary

In October 2026, the XRP Ledger development community disclosed a critical integer-overflow bug in the rippled/xrpld payment engine that could reportedly have allowed an attacker to mint spendable XRP beyond the ledger's 100 billion token supply cap. The flaw, reported through the XRPL Bug Bounty program on September 22, 2026, was patched in an emergency release (xrpld 3.4.1) on September 25, 2026, before being publicly disclosed on October 9, 2026. RippleX and the XRPL Operations team said they found no evidence the bug was ever exploited on a public network, though the episode drew scrutiny for bypassing the ledger's normal amendment-voting process and for the age of the flaw, which multiple outlets traced back roughly a decade.

Connected Entities

1 entity

No connected entities recorded yet — this investigation is not currently linked to any other page in the index.

Have evidence about XRP Ledger Critical Mint Vulnerability (October 2026)?

Timeline(3 events)

September 2026

Researcher Cayden Liao, with assistance from Veria Labs' AI tooling, reported the payment-engine overflow vulnerability through the XRPL Bug Bounty program.

News.Bitcoin.com

September 2026

RippleX shipped an emergency patch, xrpld 3.4.1, fixing the overflow; over 80% of default UNL validators adopted it quickly, bypassing the standard amendment-voting process.

CryptoBriefing / News.Bitcoin.com

October 2026

The XRP Ledger team publicly disclosed the critical payment-engine overflow vulnerability, roughly two weeks after it had already been patched network-wide.

News.Bitcoin.com
Provenance & Audit Trail
Recorded on Solana ✓Verify on-chain4 Wayback Archives

Decision Log

  • #1publishRecorded on Solana ✓10/13/2026, 12:04:59 PM
    slot 456435844 · hash EwMqRij5furJc5aKJAiEMA9s1FFHfeYD2HVfzpyk7Kk3

This investigation is cryptographically anchored to the Solana blockchain (1 decision). 4 of 8 cited source URLs have an Internet Archive snapshot.

full audit log →version history →

model: claude-code-investigator

generated: 10/13/2026, 12:04:54 PM

last updated: 10/13/2026, 12:04:54 PM

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