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0xCERT Security Advisory 0xCERT-2026-0152
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Advisory-ID:  0xCERT-2026-0152
Severity:     Medium
Published:    2026-10-01T00:00:00.000Z
Updated:      2026-10-08T22:46:32.383Z
Chains:       Ethereum
URL:          https://www.0xcert.com/advisory/0xCERT-2026-0152

Title: FlashLoopAdapter exploit — $305k lost on Ethereum

Summary
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FlashLoopAdapter lost an estimated $305k on Ethereum (improper access control), according to the DeFiLlama hacks database. Users and integrators should review exposure and follow the project's official channels.

Details
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Summary
FlashLoopAdapter lost an estimated $305k on Ethereum (improper access control), according to the DeFiLlama hacks database. Users and integrators should review exposure and follow the project's official channels.

Incident
- - Protocol: FlashLoopAdapter
- - Date (UTC): 2026-10-01
- - Estimated loss: $305k
- - Chain(s): Ethereum
- - Technique: Improper Access Control
- - Classification: Access Control
- - Target: DeFi Protocol

Recommended actions
- - Revoke token approvals granted to FlashLoopAdapter contracts until the project confirms they are safe
- - Integrators: pause or delist affected assets and monitor for attacker fund movements
- - Beware of follow-on phishing: ignore unofficial "refund", "recovery", or "claim" links and DMs; use the project's verified channels only

Source & attribution
This 0xCERT advisory relays an incident recorded in the DeFiLlama hacks database (https://defillama.com/hacks). Figures are preliminary estimates and may be revised; refer to the project's own post-mortem for the authoritative record. Report additional details to 0xCERT at https://www.0xcert.com/report.

References
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- - https://defillama.com/hacks
- - https://www.blockchainbreaches.com/en/breaches/flashloopadapter-2026

Verify with the 0xCERT OpenPGP key: https://www.0xcert.com/pgp.asc
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