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Security Baselines in Open Source: Are They Enough?
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In February, the Linux Foundation’s Open Source Security Foundation (OpenSSF) introduced the Open Source Project Security Baseline (OSPS Baseline), aiming to create minimum security requirements for open-source projects. While the initiative has received praise for its structure and practicality, it has also sparked debate within the industry about whether such a baseline is sufficient to address the complex risks of open-source software (OSS).
According to Christopher Robinson, chief security architect at OpenSSF, the baseline provides a structured set of requirements aligned with global cybersecurity standards and regulations. The intent is to give developers practical, actionable steps that strengthen their security posture without overwhelming them.
Stacey Potter, an independent open-source community manager who led the pilot program, emphasized that the framework is designed to reduce confusion by consolidating existing standards into a single guide. We built a framework that grows with your project. Our goal is to take the guesswork out of the process and help maintainers feel confident about where they stand without adding extra stress, she explained.
Potter also highlighted the community-driven spirit of the initiative: It’s all about empowering the community and making open source more secure for everyone.
The OSPS Baseline follows a tiered framework, compiling security practices such as tasks, processes, artifacts, and configurations that enhance development and consumption security. Ben Cotton, community lead at Kusari and co-maintainer of the Baseline, stressed that its strength lies in its practicality. “This effort provides actionable, practical guidance to help developers achieve appropriate security levels for their projects,” he said. However, experts caution against treating the Baseline as a silver bullet. Jamie Scott, founding product manager at Endor Labs, described it as a “double-edged sword.” While it has the potential to push the industry forward, he warned it could also stall progress if applied too rigidly. Scott argued that security must adapt to project maturity. A hobby project with minimal users should not face the same requirements as a widely adopted library powering critical infrastructure. “It’s a minimum standard, not an ideal. Security can’t be one-size-fits-all,” he advised, suggesting that maturity models should guide expectations.
The Baseline also faces the challenge of adoption. Andrew Stiefel of Endor Labs noted that while compliance frameworks are often designed for large enterprises with established governance teams, the OSPS Baseline tailors them to smaller projects. This accessibility could make best practices more achievable for independent developers. Still, without strong industry buy-in, the impact may remain limited. Mike McGuire, senior security solutions manager at Black Duck, praised the initiative but worried it does not go far enough. He acknowledged that many open-source maintainers already manage their projects responsibly, but vulnerabilities persist largely because consumers fail to update or monitor dependencies.He pointed to findings from the 2025 Open Source Security and Risk Analysis (OSSRA) report, which revealed that 81% of commercial codebases contained critical OSS vulnerabilities, with an average age of nearly three years. Most of these flaws already had fixes available, underscoring that the problem often lies with users, not maintainers.
McGuire added that vulnerabilities frequently stem from practices outside the software supply chain, such as weak access control, branch protection, or poor vulnerability management. These gaps limit the effectiveness of any framework, no matter how strong. Anthony Tam, security engineering manager at Tigera, echoed this concern, pointing out that many OSS projects depend on the unpaid time of maintainers, which can delay critical updates. “OSS projects also vary in levels of maintenance and updates. Many libraries are funded by the free or personal time of maintainers, which can be a risk to the project, he said. The rise of AI-driven projects adds another layer of complexity. Tam warned that generative AI applications bring new risks, making frameworks like OSPS Baseline valuable as a starting point but insufficient on their own.
In February, the Linux Foundation’s Open Source Security Foundation (OpenSSF) introduced the Open Source Project Security Baseline (OSPS Baseline), aiming to create minimum security requirements for open-source projects. While the initiative has received praise for its structure and practicality, it has also sparked debate within the industry about whether such a baseline is sufficient to address the complex risks of open-source software (OSS).
