CVE-2026-44025

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's Monitor Agent plugin in_monitor_agent exposes internal metrics and plugin information via a REST API, and responses from /api/plugins.json and related endpoints unintentionally include internal instance variables that may contain database passwords, API keys, or cloud credentials. This issue is fixed in version 1.19.3.

• CWE-306

• https://github.com/fluent/fluentd/commit/990921518971699b9a97441970674d1800e29177Patch
• https://github.com/fluent/fluentd/pull/5392Issue Tracking, Patch
• https://github.com/fluent/fluentd/releases/tag/v1.19.3Release Notes
• https://github.com/fluent/fluentd/security/advisories/GHSA-pr7j-96cj-549hPatch, Vendor Advisory

Published

Jul 8, 2026

Last Modified

Jul 16, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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