CVE-2026-44161
A remote, anonymous attacker can exploit multiple vulnerabilities in Fluentd to execute arbitrary code, disclose information, or cause a Denial of Service.
CSIRTS triage
- What
- Multiple vulnerabilities allow a remote, anonymous attacker to execute arbitrary code, disclose information, or cause a Denial of Service.
- Who is affected
- All deployments of Fluentd are at risk.
- Urgency
- High urgency for remediation due to the severity and potential for exploitation.
- Action
- Patch Fluentd to the latest version to address these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.44% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all EPSS-scored CVEs.
Advisory coverage (3)
- high[UPDATE] [high] Fluentd: Multiple vulnerabilitiescert-bund · 2026-07-09
- highCVE-2026-44161: Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS…nvd · 2026-07-08
- unknownMultiple vulnerabilities in Fluentdjvn · 2026-06-29
External references
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[](https://www.csirts.com/cve/CVE-2026-44161)