# Snowflake: INC0149526

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-01-08 18:49 UTC · Resolved: 2026-01-08 20:22 UTC · Duration: 1.6 h
- Updates: 1
- [Vendor status page: https://status.snowflake.com/incidents/zkz78zszy9wc](https://status.snowflake.com/incidents/zkz78zszy9wc)
- [Company: Snowflake](https://rewindex.com/company/snowflake.md)

## Timeline of updates

- **resolved** 2026-01-08 20:22 UTC: Current status: We've confirmed after a period of monitoring that our reversal of the offending change has remediated the issue, and our service is healthy. Users with existing sessions that are still impacted should refresh their sessions to experience relief. If you experience additional issues or have questions, please open a support case via Snowflake Community. Customer experience: Customers hosted in the specified regions may have been unable to access or use Snowflake services and features using Snowsight. This specifically impacted users with existing sessions in Snowsight and not new sessions. Incident start time: 18:02 UTC January 08, 2026 Incident end time: 19:00 UTC January 08, 2026 Preliminary root cause: A change contained within the recent Snowsight release related to a network policy check caused issues with session deserialization, which resulted in errors for users with active sessions. A root cause analysis (RCA) document will be published within five business days.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._


---
Canonical: https://rewindex.com/company/snowflake/incidents/zkz78zszy9wc · Markdown: https://rewindex.com/company/snowflake/incidents/zkz78zszy9wc.md · JSON: https://rewindex.com/api/v1/companies/snowflake/incidents/zkz78zszy9wc · Generated 2026-10-18T11:49:51.287Z