How Open Source Projects Handle Security Audit Reports

In this episode of Open Source with Fexingo, Lucas and Luna explore the delicate art of publishing security audit reports in open source projects. Using the 2025 curl audit as a case study—where 23 issues were found and disclosed transparently—they discuss the tension between full disclosure and responsible vulnerability handling. They cover how projects like curl, OpenSSL, and systemd structure their audit reports, redact sensitive details, and communicate risk without causing panic. Luna challenges Lucas on whether transparency can backfire if attackers read the reports too, and Lucas explains the mitigating controls like coordinated disclosure and fix-first timelines. The episode also touches on the role of third-party auditors like Cure53 and Trail of Bits, the cost of audits, and how small projects can afford them. If you build with open source or contribute to it, this episode will change how you think about security disclosures.

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