# Ripple Patches Decade-Old XRP Ledger Flaw That Threatened Supply Cap

- URL: https://stocks.freetheai.org/news/ripple-patches-decade-old-xrp-ledger-flaw-that-threatened-supply-cap-5aa2fd
- Published: 2026-10-12T12:09:35Z
- Category: crypto; sentiment: neutral; impact: medium
- Symbols: [BITSTAMP:XRPUSD](https://stocks.freetheai.org/symbols/BITSTAMP-XRPUSD)
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Developers have fixed a decade-old security vulnerability in the XRP Ledger payment engine that theoretically could have allowed attackers to bypass the network's fixed 100 billion supply cap. Software server patch xrpld 3.4.1 shipped on September 25 before public disclosure, addressing an arithmetic overflow flaw in the built-in exchange calculation. XRP (BITSTAMP:XRPUSD) traded down 1.60% at $1.386 following the announcement.

The vulnerability was uncovered through a bug bounty program assisted by Veria AI and reported by RippleX engineering leadership. An arithmetic calculation error in offer processing meant sellers could potentially receive more XRP than buyers paid. Because XRP operates on a fixed total supply created at inception rather than ongoing transaction mining, an artificial supply expansion posed a direct threat to the network's underlying monetary framework.

Network investigators confirmed there is no evidence the vulnerability was ever exploited on a public network or that unauthorized tokens were created or lost. Investors should monitor node software adoption across network operators as servers update to xrpld 3.4.1 to ensure full resolution, along with ongoing security disclosures from development teams.

## Key points

- A flaw in the XRP Ledger payment engine that existed for over ten years could theoretically have allowed XRP creation past the 100 billion cap.
- Developers released server software fix xrpld 3.4.1 on September 25 prior to public disclosure on October 9.
- Investigations found no evidence that the vulnerability was exploited on a public network or that any funds were lost.
- The bug was identified through the XRP Ledger bug bounty program with assistance from Veria AI.

## Questions and answers

### Was the XRP Ledger supply cap breached by the bug?

No, investigators found no evidence that the vulnerability was exploited on a public network or that unauthorized XRP was issued.

### How was the XRP Ledger security flaw resolved?

Developers released patched server software xrpld 3.4.1 on September 25 before public disclosure, coordinating upgrades with node operators.

### What caused the XRP Ledger vulnerability?

An arithmetic overflow in the payment engine's offer calculation could theoretically allow sellers to receive more XRP than paid.