Dimitri Stiliadis, CTO from Endor Labs, discusses the recent tj-actions/changed-files supply chain attack, where a compromised GitHub Action exposed CI/CD secrets. We explore the impressive multi-stage attack vector and the broader often-overlooked vulnerabilities in our CI/CD pipelines, emphasizing the need to treat these build systems with production-level security rigor instead of ignoring them. The show notes and blog post for this episode can be found at https://opensourcesecurity.io/2025/2025-04-tjactions_with_dimitri_stiliadis/
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32:39
Syft, Grype, and Grant with Alan Pope
I chat with Alan Pope about the open source security tools Syft, Grype, and Grant. These tools help create Software Bills of Materials (SBOMs) and scan for vulnerabilities. Learn why generating and storing SBOMs is crucial for understanding your software supply chain and quickly responding to new threats like Log4Shell. The show notes and blog post for this episode can be found at https://opensourcesecurity.io/2025/2025-04-syft-grype-grant-alan-pope/
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31:04
CVE for EOL with Aaron Frost
Aaron Frost explores the overly complex world of vulnerability identifiers for end of life software. We discuss how incomplete CVE reporting creates blind spots for users while arming attackers with knowledge. The conversation uncovers the ethical tensions between resource constraints and security transparency, highlighting why the "vulnerable until proven otherwise" approach is the best path forward for end of life software. The show notes and blog post for this episode can be found at https://opensourcesecurity.io/2025/2025-04-cve_eol_aaron_frost/
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30:00
cargo-semver-checks with Predrag Gruevski
Cargo Semver Checks is a Rust tool by Predrag Gruevski that is tackling the problem of broken dependencies that cost developers time when trying to upgrade dependencies. Predrag's work shows how automated checks can catch breaking changes before they're released, potentially saving projects from unexpected failures and making dependency updates less painful across the entire Rust ecosystem. The show notes and blog post for this episode can be found at https://opensourcesecurity.io/2025/2025-04-cargo-semver-checks-predrag-gruevski/
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33:35
Distributed CI and Git with Lars Wirzenius
Lars Wirzenius discusses his innovative CI/CD system Ambient, which uses isolated virtual machines without network access to enhance security, and his work on Radicle, a peer-to-peer Git collaboration platform. Together, these projects offer a glimpse into a more distributed future for software development, addressing key challenges in current CI/CD systems like long wait times, security vulnerabilities, and centralized infrastructure limitations. The blog post for this episode can be found at https://opensourcesecurity.io/2025/2025-03-ambient-radicle-lars-wirzenius/
Open Source Security is a media project to help showcase and educate on open source security. Our goal is to give the community a platform educate both developers and users on how open source security works.
There’s a lot of good work happening that doesn’t get attention because there’s no marketing department behind it, they don’t have a developer relations team posting on LinkedIn every two hours. Let’s focus on those people and teams then learn what they do and how they do it. The goal is to hear from the people doing the work, they know what’s up, they have a lot to teach us. We just have to listen.
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