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Critical Vulnerabilities Found in Fluent Bit Logging Agent

First seen 24 Nov 2025, 15:26 UTC

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ThreatCluster March 12, 2026 at 13:27 UTC

Cybersecurity researchers have identified critical vulnerabilities in Fluent Bit, a logging agent used extensively across various platforms, including banking and cloud services. The flaws could lead to authentication bypass, remote code execution, and denial of service, primarily affecting instances with network access. The vulnerabilities stem from issues in tag processing and plugin handling.

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