Skip to content
Percona Documentation
Rate this page
☆ ☆ ☆ ☆ ☆
Thanks for your feedback
Thank you! The feedback has been submitted.

Get free database assistance or contact our experts for personalized support.

Get help from Percona

Percona Server for MongoDB 6.0.27-21 has been released

Percona Server for MongoDB 6.0.27-21 has been released on January 12, 2026.

Try it out using the Quickstart guide.

This release is the security update to address the security vulnerability CVE-2025-14847: CWE-130 in how MongoDB uses zlib compression library. Attackers with network access to mongod or mongos can extract fragments of uninitialized server memory without authentication if zlib compression is enabled, and access sensitive data.

We recommend updating to Percona Server for MongoDB 6.0.27-21 as soon as possible to ensure your deployments remain secure.

If an immediate update is not possible, you can disable zlib compression in configuration or startup parameters.

Learn more about the security issue and remediation steps in Percona Blog: Urgent Security Update: Patching “Mongobleed” (CVE-2025-14847) in Percona Server for MongoDB.

Learn more about this release in Percona Server for MongoDB 6.0.27-21 release notes.