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0xCERT Security Advisory 0xCERT-2026-0162
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Advisory-ID:  0xCERT-2026-0162
Severity:     High
Published:    2026-09-19T00:00:00.000Z
Updated:      2026-10-08T02:24:39.525Z
Chains:       Ethereum
URL:          https://www.0xcert.com/advisory/0xCERT-2026-0162

Title: Fetch.ai key compromise — $1.5M lost on Ethereum

Summary
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Fetch.ai lost an estimated $1.5M on Ethereum (private key compromised), 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
Fetch.ai lost an estimated $1.5M on Ethereum (private key compromised), according to the DeFiLlama hacks database. Users and integrators should review exposure and follow the project's official channels.

Incident
- - Protocol: Fetch.ai
- - Date (UTC): 2026-09-19
- - Estimated loss: $1.5M
- - Chain(s): Ethereum
- - Technique: Private Key Compromised
- - Classification: Key Compromise
- - Target: DeFi Protocol
- - Bridge incident: yes

Recommended actions
- - Revoke token approvals granted to Fetch.ai 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

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