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Web3Auth Flaw Exploited to Steal Keplr Crypto, Provider Empties Other Wallets for Safety

Some people who set up a Keplr crypto wallet with their Google or Apple account have had money stolen by an attacker; keplr uses a company called Web3Auth to run that Google and Apple sign-in.

DKCISSP News DeskThe Hacker News9 Nov 2026, 4:26 pm2 min read
Web3Auth Flaw Exploited to Steal Keplr Crypto, Provider Empties Other Wallets for Safety
Image courtesy of The Hacker News. Original report
DKCISSP REPORT

Some people who set up a Keplr crypto wallet with their Google or Apple account have had money stolen by an attacker; keplr uses a company called Web3Auth to run that Google and Apple sign-in.

The attacker used a security flaw at that company to reach the wallets, both companies said late last week.

It has also warned users not to assume that an unfamiliar destination address is linked to the attacker.

Josh Lee, a Keplr co-founder, gave an early estimate in his initial findings: about 20% of Google and Apple login accounts were affected, and only a fraction of those appeared to have been exploited.

Web3Auth then used the attacker's own route to empty other at-risk wallets before the attacker got to them, it said; so an empty balance may mean the money was rescued, not stolen.

What happened

Some people who set up a Keplr crypto wallet with their Google or Apple account have had money stolen by an attacker; keplr uses a company called Web3Auth to run that Google and Apple sign-in.

The attacker used a security flaw at that company to reach the wallets, both companies said late last week.

What changed

It has also warned users not to assume that an unfamiliar destination address is linked to the attacker.

Josh Lee, a Keplr co-founder, gave an early estimate in his initial findings: about 20% of Google and Apple login accounts were affected, and only a fraction of those appeared to have been exploited.

Why it matters

Web3Auth then used the attacker's own route to empty other at-risk wallets before the attacker got to them, it said; so an empty balance may mean the money was rescued, not stolen.

What to watch next

Watch for additional victim details, indicators of compromise and follow-on exploitation reports.

Watch for revised vendor guidance, fixed versions and mitigation updates.

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