Incidents by month

Crypto hacks and exploits in February 2026

Name: OAK — OnChain Attack Knowledge Dataset
License: https://creativecommons.org/licenses/by-sa/4.0/
Keywords: on-chain attacks, smart contract exploits, crypto laundering, threat actors, taxonomy

2 incidents. Each links to a full write-up: timeline, OAK Techniques, attacker addresses and fund flow, with sources.

Incidents (2)

Veil Cash exploit (Feb 2026): $5,000 — 2026-02-20 · loss $5,000 · OAK-T9.004 Access-Control Misconfiguration
Polymarket Iran-strike timing market exploit (Feb 2026): $162,663 — loss $162,663 · OAK-T9.006 Subjective-Oracle Resolution Manipulation