VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
Root cause
Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.
▰ PROOF OF CONCEPT
DEFIHACKLABS
src/test/2026-02/Moonwell_exp.sol
view forked test on github ↗Reproducible Foundry test fork from SunWeb3Sec/DeFiHackLabs. Clone the repo, run forge test against the file path above, and replay the exploit against a mainnet fork at the historical block. Use for reproduction only — not for live targets.
Forensic narrative
According to Decrypt, the DeFi lending protocol Moonwell incurred approximately $1.78 million in bad debt due to an oracle configuration error. Attack method (per SlowMist): Oracle Misconfiguration. Reported loss: $ 1,780,000.00.
Primary source
https://decrypt.co/358374/oracle-error-leaves-defi-lender-moonwell-1-8-million-bad-debt ↗Sourced from
slowmist
Technical record
- chain
- —
- protocol
- Moonwell
- bug_class
- oracle
- date_occurred
- 2026-02-18
- loss_usd
- $1,780,000
- source_id
- sm:moonwell::2026-02-18
Related — same bug class· oracle