# UNCX Vesting Bug Drains $1.49M

> UNCX’s vesting bug caused $1.49 million in token drain across four chains by Oct. 15.
- Title: UNCX Vesting Bug Drains $1.49M · TokenPost | Shortify
- Summary: UNCX’s vesting bug caused $1.49 million in token drain across four chains by Oct. 15. UNCX’s vesting bug led to $1.49 million in token drain across four…
- Keywords: uncx, vesting bug, token drain, ethereum, bnb chain, robinhood chain, base chain, mev bots, imunefi, smart contract, crypto, finance
- Source: TokenPost — https://tokenpost.com/news/technology/33803
- Published: 2026-10-17T06:49:02+00:00
- Read time: 1 min
- Topics: uncx, vesting bug, token drain, ethereum, bnb chain, robinhood chain, base chain, mev bots, imunefi, smart contract, crypto, finance
## Vesting Bug Impact
UNCX’s Vesting V2 bug let positions claim more shared token pools than their recorded stakes justified, causing $1.49 million in gross drain across four chains by Oct. 15.

> Ultimately, the smart contract failed to make sure that no functions could break the invariant around the shares’ global counter
## Drain Timeline
First Ethereum drain occurred Oct. 14 at 11:49:59 a.m. et; by Oct. 15, 11 transactions drained $969,000 on BNB Chain, $242,000 on Ethereum, $169,000 on Robinhood Chain, and $114,000 on Base.
## Recovery Status
UNCX reported Friday, Oct. 16, that a white-hat returned affected funds and trading resumed on Base pool, with $1.49 million remaining as gross drain estimate.
## Key takeaway

UNCX’s vesting bug led to $1.49 million in token drain across four chains by Oct. 15.