Autheo THEO token plunges 92% after suspected bridge exploit

Autheo THEO token plunges 92% after suspected bridge exploit

By Rony Roy

Oct 13, 2026 at 10:32 AM UTC

Autheo’s THEO token has plunged more than 90% following a suspected cross-chain bridge exploit that reportedly allowed an attacker to mint millions of unauthorized tokens on Base.

In an October 13 security notice, Autheo confirmed that its development team was investigating an incident involving THEO and warned holders against buying, selling, or bridging the token until further notice.

The project did not disclose the full extent of the breach, identify the vulnerability, or provide an estimate of financial losses. However, blockchain security firm PeckShield reported that 19 million THEO tokens had been minted on Base before the attacker exchanged them for 700