Path Traversal in Fluent Fluentd

CVE-2026-44024

Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on. Prior to 1.19.3, Fluentd allows dynamically constructing file paths using the ${tag} placeholder, and insufficient vali…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44024?
CVE-2026-44024 is a critical-severity vulnerability in Fluent Fluentd, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-07-08.
How severe is CVE-2026-44024?
Critical severity. CVSS v3 base score is 9.8 out of 10.