Fluent Bit Fiasco: Years-Old Vulnerabilities Finally Fixed After Exposing Cloud Giants to Attack
Fluent Bit, a favorite in cloud services and AI labs, had “trivial-to-exploit” vulnerabilities open for years. These bugs let attackers bypass authentication and wreak havoc on cloud services. Updating to version 4.1.1 fixes the issues, saving the day faster than a superhero with a tech support hotline.

Hot Take:
Whoops! Looks like Fluent Bit was a ticking time bomb of vulnerabilities just waiting to explode in the cloud. But hey, at least they finally hit the snooze button. It’s like finding out your cloud service was wearing a ‘kick me’ sign all along. Kudos to Oligo Security for playing the role of the responsible adult and helping patch things up before the next big cloud party!
Key Points:
- A series of vulnerabilities in Fluent Bit, an open-source log collection tool, were left unchecked for years.
- The vulnerabilities allow attackers to bypass authentication, perform path traversal, achieve remote code execution, and more.
- Oligo Security worked with maintainers to disclose and fix these issues with the release of Fluent Bit v4.1.1.
- Major cloud providers like Google, Amazon, and Microsoft use Fluent Bit extensively.
- Updating to the latest version is crucial to avoid potential exploits.
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