Summary
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Fluentd ausnutzen, um beliebigen Programmcode auszuführen, Informationen offenzulegen oder einen Denial of Service zu verursachen.
Product
Fluentd ist ein Open-Source Datenkollektor für eine vereinheitlichte Protokollierungsschicht.
Vulnerabilities 4
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Critical 9.8CVE-2026-44024 Public exploit
Fluentd: Remote Code Execution (RCE) via Arbitrary File Write in `${tag}` Placeholder
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 validation of ${tag} in …
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High 7.5
Fluentd: Exposure of Sensitive Information via Monitor Agent API
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 respon…
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High 7.5
Fluentd: Denial of Service (DoS) via Gzip Decompression Bomb in `in_http` and `in_forward`
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 in_http and in_forward plugins support gzip-compressed data but enforce limits only on compressed payloads throu…
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High 7.2
Fluentd: Server-Side Request Forgery (SSRF) via Placeholder Expansion in `out_http`
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, the Fluentd out_http output plugin allows placeholders such as ${tag} in the endpoint configuration parameter, and if a pl…
Revision history
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#2
Referenz(en) aufgenommen: EUVD-2026-42439, EUVD-2026-42438, EUVD-2026-42436, EUVD-2026-42437
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#1
Initiale Fassung
References
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Fluentd Blog vom 2026-06-25
https://www.fluentd.org/blog/fluentd-v1.19.3-has-been-released