Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.
The attacker exploited a Misconfigured Oracle Exploit in combination with protocol logic issues to launch an attack against the Silo V2 contracts on Arbitrum. The incident involved price manipulation or configuration flaws in the oracle mechanism, which ultimately enabled unauthorized fund extraction. This was a relatively small-scale incident affecting Silo Finance V2, with limited impact on core user funds. Similar to other cases, the affected contracts were likely peripheral or experimental components rather than the core protocol. Following the attack, the stolen funds were obfuscated through mixers and/or cross-chain bridges. Although Silo Finance has undergone audits, newly introduced features or misconfigurations can still introduce potential risks. Attack method (per SlowMist): Oracle Attack. Reported loss: $ 392,000.
- chain
- arbitrum
- protocol
- Silo V2
- bug_class
- access-control
- date_occurred
- 2026-04-03
- loss_usd
- $392,000
- source_id
- sm:silo-v2::2026-04-03