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CVE-2026-44025GHSA-PR7J-96CJ-549HBIT-FLUENTD-2026-44025

Fluentd: Exposure of Sensitive Information via Monitor Agent API

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.19.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • fluent fluentd

    fixed in 1.19.3

  • fluentdRubyGems

    fixed in 1.19.3

References 4

GitHub · fluent/fluentd