What are the three major types of risks when using open source?

major risks of using open source software: security risks

major risks of using open source software affect modern development environments where complex dependencies influence stability and security outcomes. Understanding these issues helps teams reduce hidden vulnerabilities and improve long-term software reliability across applications. Read further explore dependency management practices mitigate exposure to inherited risks in production systems.

What are the three major types of risks when using open source?

Using open-source software (OSS) is a foundational strategy for modern development, but it introduces distinct challenges that organizations must navigate carefully. The three major risks of using open source software include open source security risks, open source license compliance issues, and risks of open source software maintenance.

Security Vulnerabilities in Open Source

Because open-source code is publicly accessible, it provides a transparent playground for both well-intentioned developers and threat actors who study the code to identify flaws. This visibility makes vulnerability management a critical, ongoing task for any engineering team.

Managing Complex Dependency Trees

Modern applications often rely on a web of indirect dependencies created when developers pull in pre-packaged libraries. It is common for a single primary package to introduce dozens of inherited components, and research indicates that a high percentage of application codebases consist of third-party open-source components. This complexity makes it difficult to track exactly what code is running in production, and if one of those deep, transitive dependencies contains a flaw, the entire application inherits the risk.

The Threat of Supply Chain Attacks

open source supply chain security threats have become a preferred tactic for attackers, who compromise popular packages to distribute malicious code to unsuspecting users. Tactics like typosquatting—where an attacker publishes a package with a name very similar to a popular one—continue to see success. In recent years, malicious package uploads have surged significantly across major repositories, forcing developers to be significantly more vigilant about what they install into their build pipelines.

Legal and License Compliance Risks

Open source is free to access, but it is never free of contractual obligations. Each component operates under a specific license, and failing to adhere to these rules can expose an organization to significant legal risks of open source software.

Intellectual Property and Copyleft Complications

The most significant legal risk involves copyleft licenses, which mandate that if you integrate their code into your application, you must release your entire applications source code publicly. This is rarely the intended outcome for proprietary commercial software. Many organizations have faced costly remediation efforts after inadvertently linking restrictive code to their core product, highlighting the need for automated license scanning tools.

Operational and Maintenance Risks

Relying on community-driven projects creates a fundamental tension: you are using software built by volunteers for a professional-grade product. This model often lacks the guarantees provided by traditional enterprise software vendors.

Maintainer Fatigue and Support Gaps

It is surprisingly common for critical, widely used packages to be maintained by a single unpaid volunteer. If that maintainer burns out or abandons the project, users are left with unpatched, end-of-life software that quickly becomes a security liability. Furthermore, unlike proprietary solutions, there is no Service Level Agreement (SLA) to guarantee emergency support, troubleshooting, or rapid bug fixes. When production breaks, you are essentially on your own.

Risk Comparison: Open Source vs. Proprietary Software

Open Source Software

• Community-driven; no guaranteed emergency response or formal SLA
• Visible code allows for community auditing, but also public vulnerability discovery
• Requires rigorous license compliance to avoid IP infringement

Proprietary Software

• Guaranteed support, updates, and formal SLAs included in licensing
• Security by obscurity; reliant entirely on the vendor's internal team
• Clear indemnification and warranty provided by the vendor

The Hidden Dependency Challenge at TechNova

TechNova, a fintech startup in Ho Chi Minh City, managed a high-traffic banking portal. They relied heavily on open-source libraries for rapid feature deployment but initially ignored their deep dependency tree.

Frustration hit when a critical vulnerability in a low-level, unmaintained transitive dependency left their system exposed. The team spent 48 hours manually auditing hundreds of sub-dependencies, scrambling to find a secure version.

The breakthrough came when they implemented an automated software composition analysis (SCA) tool that blocked builds containing known vulnerabilities.

The result was a 60% reduction in time spent on emergency patching and improved stability, proving that managing open-source risk is an ongoing process rather than a one-time project.