Fluentd is Vulnerable to Remote Code Execution (RCE) via Arbitrary File Write in `${tag}` Placeholder

Date Jun 26, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product RubyGems ยท fluentd
CVE CVE-2026-44024
High-risk advisory CVE-2026-44024

Summary

Fluentd is Vulnerable to Remote Code Execution (RCE) via Arbitrary File Write in `${tag}` Placeholder

Why it matters

GitHub has published a reviewed security advisory for fluentd. Prioritize it with other application dependency updates.

Operator check

Check whether fluentd is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.