Base incident
Client bug causing inaccurate `eth_call` data on Flashblock endpoints
Base experienced a minor incident on October 29, 2025 affecting Flashblocks, lasting 20m. The incident has been resolved; the full update timeline is below.
Affected components
Flashblocks
Update timeline
- identified Oct 29, 2025, 11:36 PM UTC
A bug is causing inaccurate data to be returned from `eth_call` requests when used on Flashblock RPCs. This happens only when the ‘pending’ tag is used for `eth_call`. We’re working on a base/node release to fix this as soon as possible.
- monitoring Oct 29, 2025, 11:53 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Oct 29, 2025, 11:57 PM UTC
This incident has been resolved.