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  • Oct 9, 2025

    • Security
    • Aiven for Valkey™
    • Aiven for Caching

    CVE-2025-49844 - Redis/Valkey - Lua Use-After-Free Vulnerability

    On October 3rd, 2025, Redis released details on CVE-2025-49844.

    This particular vulnerability could allow an authenticated user to obtain remote code execution using a specially crafted Lua script.

    This affects all Redis and Valkey versions that have Lua scripting support.

    This issue is resolved in:

    • Redis: 8.2.2+, 8.04+, 7.4.6+, 7.2.11+, 6.2.20+
    • Valkey: 8.1.4+, 8.0.6+, 7.2.11+

    On October 8th Valkey 8.0.6 was made available as mandatory maintenance on the Aiven platform. It is recommended that all Valkey customers run this maintenance as soon as possible.

    For those customers running Redis (Aiven for Caching) on the Aiven platform, a patch to 7.2.11 will be released in the coming days. Note that Aiven for Caching is end-of-life on the Aiven platform and all running instances will be decommissioned starting on October 15th, 2025.


  • Oct 8, 2025

    Diskless topics for Aiven for Apache Kafka® are now generally available

    Diskless topics reduce the cost of high-throughput workloads by minimizing inter-availability zone (AZ) network traffic and using object storage instead of local disks. The features is now generally available for Aiven for Apache Kafka® in Bring Your Own Cloud (BYOC) deployments on AWS.

    Key details:

    • Data durability and replication are handled by the object storage layer.
    • Flexibility of classic and diskless topics both coexisting on the same cluster.
    • Available in BYOC deployments on AWS.
    • Runs a PostgreSQL-based coordinator, managed as a service integration.

    Learn more in the Diskless topics overview.

  • Oct 6, 2025

    JWT authentication now available for Aiven for OpenSearch®

    Configure JSON Web Token (JWT) authentication for your Aiven for OpenSearch® services to enable secure, stateless authentication using tokens from your existing identity provider. This eliminates the need to manage separate OpenSearch credentials while providing seamless integration with your authentication infrastructure.

    Available for Aiven for OpenSearch 2.4+ and OpenSearch Dashboards 2.19+. Learn more

  • Oct 2, 2025

    • Improved
    • Aiven for Apache Kafka® Connect

    Aiven Kafka Connect S3 source connector updated

    The Aiven Kafka Connect S3 source connector has been updated to fix a bug that caused a Null Pointer Exception (NPE) when using an AWS STS client for short-term credentials.

    For more information, see the Aiven Kafka Connect S3 source connector v3.4.1 release notes.

  • Sep 30, 2025

    Aiven for PostgreSQL®: ip4r extension now available

    The ip4r extension is now available for Aiven for PostgreSQL®, providing specialized data types for IPv4 and IPv6 address ranges with efficient indexing support. This extension is ideal for applications working with network operations, CIDR blocks, and IP address range queries, offering better performance than traditional text-based IP storage methods.

    View all Aiven for PostgreSQL extensions

  • Sep 26, 2025

    • New
    • Aiven Console
    • Aiven API
    • Aiven Terraform provider

    Billing groups are now assigned in project settings

    You can now assign a billing group directly from the project settings without needing full organization admin or billing permissions. Editing sensitive billing details like payment methods remains controlled by stricter organization-level roles and permissions.

    View instructions for assigning billing groups in the Aiven docs.

  • Sep 25, 2025

    Aiven for PostgreSQL® 18 is now available

    We're excited to announce that Aiven for PostgreSQL® 18 is now available on the Aiven platform. This major release brings a host of new features, performance improvements, and extensions to make your database even more powerful.

    Here are some of the key highlights you can start using today:

    • Asynchronous I/O subsystem: Significantly boosts performance for sequential scans, bitmap heap scans, and vacuums by queuing multiple read requests.
    • Faster joins and GROUP BY: Experience improved performance and lower memory usage for these common operations.
    • Parallel GIN indexes: Create GIN indexes in parallel to dramatically reduce maintenance time.
    • NOT ENFORCED constraints: A new option that allows you to add CHECK and foreign key constraints without them being enforced, useful for data migration and schema evolution.
    • Skip scans for B-tree indexes: This new capability improves performance for specific queries by allowing the index to "skip" over irrelevant data.
    • Improved locking performance: Enjoy better performance in high-contention databases as queries that access many relations now have improved locking.

    Learn more about this release and what it means for you:

  • Sep 18, 2025

    Aiven for Apache Kafka® 4.0

    Apache Kafka® 4.0 is now available for Aiven for Apache Kafka services. You can create new services using Kafka 4.0 or upgrade existing services running Kafka 3.9 in KRaft mode.

    Key changes

    • New consumer group protocol
      • Kafka 4.0 introduces an improved consumer group coordination protocol.
      • Older clients that do not support this protocol cannot connect to Kafka 4.0 clusters.
      • Upgrade client libraries before connecting.
    • Deprecated APIs and protocols removed
      • Kafka 4.0 removes API versions and protocol features that were previously deprecated.
      • Ensure all clients and tooling are compatible before upgrading.
      • This includes Kafka Connect, MirrorMaker 2, and custom client applications.
      • For details, see the Kafka 4.0 release notes.
    • `message.format.version` setting removed
      • Kafka 4.0 no longer uses the `message.format.version` topic-level setting.
      • Any configured value is ignored and removed during topic creation or update.
    • Timestamp difference setting replaced
      • Kafka 4.0 removes the `log.message.timestamp.difference.max.ms` service-level setting.
      • Use `log.message.timestamp.before_max_ms` and `log.message.timestamp.after_max_ms` instead.
      • For details, see KIP-937.
    • KRaft-only clusters
      • Kafka 4.0 requires all clusters to run in KRaft mode. ZooKeeper is no longer supported for metadata management.
      • If your service still uses ZooKeeper, upgrade to Kafka 3.9 and migrate to KRaft before moving to Kafka 4.0.
      • For details, see KRaft mode in Aiven for Apache Kafka.

  • Sep 16, 2025

    Aiven for OpenSearch® snapshot management generally available

    Managing custom repositories and snapshots is now generally available in Aiven for OpenSearch®.

    See our Aiven for OpenSearch documentation to learn how to use: