Chainstack incident

Degraded performance on Ethereum Sepolia Testnet in Ashburn

Minor Resolved

Chainstack experienced a minor incident on September 25, 2026 affecting Ethereum Global Nodes (Ethereum Sepolia Testnet) and Ethereum Beacon (Ethereum Sepolia Testnet Beacon), lasting 4h 15m. The incident has been resolved; the full update timeline is below.

Started
Sep 25, 2026, 06:16 AM UTC
Resolved
Sep 25, 2026, 10:32 AM UTC
Duration
4h 15m
Detected by Pingoru
Sep 25, 2026, 06:16 AM UTC

Affected components

Ethereum Global Nodes (Ethereum Sepolia Testnet)Ethereum Beacon (Ethereum Sepolia Testnet Beacon)

Update timeline

  1. investigating Sep 25, 2026, 06:16 AM UTC

    We are investigating an issue affecting Ethereum Sepolia Testnet in Ashburn. Some users may experience delayed or stale data.

  2. resolved Sep 25, 2026, 10:32 AM UTC

    The issue is now resolved and the nodes are now back in sync.