fluentd vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2026-44161Highfluentd: Fluentd is Vulnerable to Server-Side Request Forgery (SSRF) via Placeholder Expansion in `out_http`CVE-2026-44160Highfluentd: Fluentd is Vulnerable to Denial of Service (DoS) via Gzip Decompression Bomb in `in_http` and `in_forward`CVE-2026-44025Highfluentd: Fluentd is Vulnerable to Exposure of Sensitive Information via Monitor Agent APICVE-2026-44024Criticalfluentd: Fluentd is Vulnerable to Remote Code Execution (RCE) via Arbitrary File Write in `${tag}` PlaceholderCVE-2022-39379Lowfluentd: fluentd vulnerable to remote code execution due to insecure deserialization (in non-default configuration)CVE-2017-10906Criticalfluentd: Fluentd Escape Sequence Injection VulnerabilityCVE-2021-41186Mediumfluentd: ReDoS vulnerability in parser_apache2

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