CryptoUpdated×4•Originally published 24 May 2026•Updated 24 May 2026•
2 min read

StablR Stablecoins Collapse as Multisig Exploit Enables $13.5M Unbacked Minting

Digital illustration of a cracked vault door with a Tether logo and text indicating a ten million dollar loss.

Key Facts

1On-chain sleuth ZachXBT reported that contracts tied to StablR were drained in an exploit worth approximately $10 million.

In a severe escalation of the StablR security crisis, investigations have revealed that the attacker exploited a multisig wallet vulnerability to mint $13.5 million in unbacked tokens. This breach allowed the exploiter to dump approximately $10.4 million in face value across decentralized exchanges, leading to a catastrophic de-pegging of the protocol's stablecoins. According to reports, the exploit bypasses the protocol's core stability mechanisms, leaving remaining liquidity providers at significant risk.

The market impact has been devastating, with EURR falling to $0.85 and USDR crashing as low as $0.40, a stark contrast to major peers like USDT and USDC which remain at $1.00 per market data. The discovery of the $13.5 million unbacked minting clarifies why initial loss estimates were revised upward so aggressively. This incident highlights critical flaws in multisig governance, as the attacker was able to generate more liabilities than the protocol's total value locked could support.

Traders should exercise extreme caution as USDR remains severely de-pegged at $0.40 (close May 19, 2026). Market participants are also monitoring the upcoming speech by Fed Governor Waller (May 19, 2026) for potential regulatory reactions to DeFi vulnerabilities. Given the current lack of liquidity, exiting positions in EURR or USDR may result in substantial slippage and further capital loss.