Several vulnerabilities (CVE-2026-44024, CVE-2026-44025, CVE-2026-44160, CVE-2026-44161) have been patched in Fluentd v1.19.3. Because Fluentd is shipped as part of fluent-package, please update your systems to fluent-package v6.0.4 to apply these security fixes.
See Security Advisories for the details. If you need someone to assess your own environment, several companies offer commercial support.
Fluentd allows you to unify data collection and consumption for a better use and understanding of data.
Fluentd decouples data sources from backend systems by providing a unified logging layer in between.
5,000+ data-driven companies rely on Fluentd. Its largest user currently collects logs from 50,000+ servers.
We are a Cloud Native Computing Foundation (CNCF) member project.
"Fluentd proves you can achieve programmer happiness and performance at the same time. A great example of Ruby beyond the Web."
Yukihiro Matsumoto (Matz), creator of Ruby
"Logs are streams, not files. I love that Fluentd puts this concept front-and-center, with a developer-friendly approach for distributed systems logging."
Adam Wiggins, Heroku co-founder
©2010-2026 Fluentd Project. ALL Rights Reserved.
Fluentd is a hosted project under the Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.
The Linux Foundation has registered trademarks and uses trademarks. For a list of trademarks of The Linux Foundation, please see our Trademark Usage page, Privacy Policy and Terms of Use.
