Walrus Memory Security Patch and Migration
Summary
The Upside announces that Walrus Memory uploads have resumed after a security upgrade that patched an encryption bypass. All existing memories were migrated to a new secure contract, but copies on the previous contract remain exposed until deleted. Community members should remove pre-migration data and review sensitive stored information using the provided deletion guide.
Hi . Uploads to Walrus Memory have been resumed, following a security upgrade. This patched a bug that made it possible to bypass the encryption of stored memories. All existing memories have been migrated onto a new, secure contract.
Important note: A copy of memories written before the migration remains in the previous contract, where they are exposed to the original bug. We recommend removing all pre-migration data on the previous contract, and reviewing any sensitive data you may have stored. A guide to removing pre-migration data is available here.
These pre-migration memories will remain on the previous contract until they are deleted (or expire).
Thanks for your patience while we worked through this, and thanks to @cryptanna for reporting the bug.
Delete old memories | Walrus Docs

Review and permanently delete memories from your Walrus Memory account using the dashboard's Delete memories panel, including preview, selection, and verification.