A Layer 1 blockchain naming service used a curl-pipe-to-python installer and a tag-pinned checkout action in its smart contract test workflow, enabling CI runner code execution and forged test results on contract changes.
Feb 21, 2026A DeFi aggregator's portal exposed its feature toggle service's internal admin endpoints with no authentication, leaking 116 flags, the production token inventory, privileged staff IDs, and the compliance country list, with leaked IDs usable to unlock hidden features and flip payment routing.
Feb 21, 2026A cryptocurrency exchange decided sanctioned-country and country-specific asset restrictions based on a client-supplied forwarding header, allowing any unauthenticated visitor to flip the compliance decision with one line.
Feb 21, 2026A crypto exchange shipped working production API credentials inside a public sample script, granting private account read access and trading write actions.
Feb 21, 2026A self-custody wallet provider's NFT metadata endpoint made server-side requests to attacker-controlled URLs without scheme, host, or redirect restrictions.
Feb 21, 2026Self-ordering endpoint leaked access tokens. Chained with partner lookup to extract emails, phones, and addresses.
Feb 21, 2026A DeFi trading platform shipped a privileged blockchain RPC gateway key inside its public JavaScript bundle, exposing debug traces, pending transactions, and a transaction relay method to anyone.
Feb 21, 2026A Web3 quests platform's tRPC API exposed user-scoped procedures with no authentication and no object-level checks, letting anyone pull thousands of records of activity history per user by iterating user IDs.
Feb 21, 2026A self-custody wallet provider's user service exposed unauthenticated device CRUD endpoints, allowing attackers to delete a victim's notification devices and replace them with their own.
Feb 21, 2026A P2P trading platform's webhook URL validation followed user-supplied URLs without restrictions, leaking origin egress IP, internal tracing headers, and producing a status-code oracle.
Feb 21, 2026