YFarmX

Tools Crypto Exploit Tracker exploit-0121

Exploit record

UPCX ProxyAdmin Take-Over

Loss
$70M
Attack vector
Access Control
Chain
Ethereum
Sector
Token

What happened

On April 1, 2025, a hijacked ProxyAdmin let attackers insert malicious logic and drain about $70M worth of UPC tokens.

Proxy upgrade power is effectively absolute power. Once lost, every downstream assurance becomes theatre.

Sources

One record from the Crypto Exploit Tracker, maintained by the Security Desk. Data: CSV · JSON ·RSS · CC BY 4.0 with attribution to YFarmX.Tracker updated · 15 September 2026