How we broke exchanges: a deep dive into authentication and client-side bugs
osec.io | research | #web3 | #account-takeover | #authentication | #vulnerability | #oauth | #exchanges
Summary
OtterSec details OAuth misconfigurations that lead to account takeover in exchanges, SDKs and wallets, including Google GSI/FedCM flow quirks and desktop-vs-mobile environment gaps.
- Published
- Collected
--- id: 5669 title: "How we broke exchanges: a deep dive into authentication and client-side bugs" source_domain: osec.io source_url: "https://osec.io/blog/how-we-broke-exchanges-oauth-misconfigurations/" published_at: "2025-10-16T12:00:00Z" tags: ["web3", "account-takeover", "authentication", "vulnerability", "oauth", "exchanges"] phying_url: "https://phying.com/item/5669" lang: en --- # How we broke exchanges: a deep dive into authentication and client-side bugs ## Summary OtterSec details OAuth misconfigurations that lead to account takeover in exchanges, SDKs and wallets, including Google GSI/FedCM flow quirks and desktop-vs-mobile environment gaps. ## Intelligence Metadata - **Sources:** osec.io - **Published:** 2025-10-16T12:00:00Z - **Original:** https://osec.io/blog/how-we-broke-exchanges-oauth-misconfigurations/ - **Phying News:** https://phying.com/item/5669