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rubygems

Safeguard articles tagged "rubygems" — guides, analysis, and best practices for software supply chain and application security.

24 articles

Supply Chain

RubyGems and Bundler's Cooldown Discussion: Soak Windows as a First-Class Defender Policy

After the 2025 supply-chain waves, the ruby/rubygems community opened Discussion #9113 to evaluate a built-in cooldown feature for bundle update. Here is the defender argument and how to implement it today.

May 15, 20267 min read
Supply Chain Attacks

RubyGems Suspends New Signups After a 500-Package Malicious Flood (May 2026)

On 12-13 May 2026, RubyGems was hit by a coordinated spam-publishing flood that pushed 500+ malicious packages from newly-registered bot accounts. The registry paused new signups and re-enabled them on 16 May after tightening rate limiting with Fastly.

May 14, 20269 min read
Engineering

Ruby Gems Security: Signing, Yanking and Trusted Publishing

Gem signing never took off, yanking is weaker than people assume, and trusted publishing finally fixes the credential problem. What to actually rely on in a Ruby pipeline.

Mar 20, 20266 min read
Application Security

Reachability Analysis for Ruby and RubyGems in 2026

Ruby reachability under metaprogramming, Rails autoloading, and Bundler groups. What bundler-audit and modern tools handle, and where they punt to over-approximation.

Mar 19, 20265 min read
Open Source Security

RubyGems Reserved Namespace Claims

A look at how organizations can claim reserved namespace prefixes on RubyGems.org, what the policy currently supports, and where it falls short for real enterprise use cases.

Mar 18, 20268 min read
Open Source Security

RubyGems.org and Sigstore: Progress Check

An honest look at where RubyGems.org stands with Sigstore integration, what has shipped, what is still being debated, and how maintainers can prepare for signed gems.

Mar 10, 20267 min read
Open Source Security

RubyGems Typosquatting Incidents: 2024

A running ledger of typosquat incidents on RubyGems.org through 2024, the patterns across them, and what the year's data says about where the registry's defenses still fall short.

Mar 8, 20268 min read
Open Source Security

RubyGems 2FA Enforcement Analysis

A look at how RubyGems.org rolled out mandatory 2FA for high-traffic gem maintainers, what it has caught, and what gaps still remain in the account-compromise defense story.

Feb 23, 20267 min read
Industry Analysis

Ruby Security Explained

Ruby security in one place: the 2019 rest-client hijack, CVE-2022-32224's RCE, RubyGems' MFA mandate, and 2025's credential-stealing gem campaign.

Feb 23, 20267 min read
Open Source Security

Ruby Gem Reserved Names Policy

How RubyGems.org handles reserved gem names, what protections exist for trademark holders, and where the policy creates friction for legitimate namespace claims.

Feb 18, 20268 min read
Software Supply Chain Security

RubyGems Yanked Gems: Security Risks of Removed Ruby Packages

When a Ruby gem is yanked from RubyGems.org, it creates security risks for projects that depended on it. Understanding the yanking mechanism is critical for Ruby supply chain security.

Feb 7, 20265 min read
Open Source Security

Case study: RubyGems account takeover incidents and their...

A look at real RubyGems account takeover incidents, including the rest-client hijack, and what they reveal about Ruby supply chain risk.

Feb 2, 20268 min read

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rubygems (Page 2) — Safeguard Blog