[Snyk] Fix for 8 vulnerabilities

[q1blue]

Snyk has created this PR to fix 8 vulnerabilities in the yarn dependencies of this project.

Snyk changed the following file(s):

• plugins/scaffolder-backend-module-yeoman/package.json

Note for zero-installs users

If you are using the Yarn feature zero-installs that was introduced in Yarn V2, note that this PR does not update the .yarn/cache/ directory meaning this code cannot be pulled and immediately developed on as one would expect for a zero-install project - you will need to run yarn to update the contents of the ./yarn/cache directory.
If you are not using zero-install you can ignore this as your flow should likely be unchanged.

⚠️ Warning

Failed to update the yarn.lock, please update manually before merging.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Symlink Attack SNYK-JS-BACKSTAGEPLUGINSCAFFOLDERNODE-15054276	258
	Uncontrolled Resource Consumption ('Resource Exhaustion') SNYK-JS-TAR-6476909	221
	Improper Handling of Unicode Encoding SNYK-JS-TAR-15038581	210
	Use of a Cryptographic Primitive with a Risky Implementation SNYK-JS-ELLIPTIC-14908844	146
	UNIX Symbolic Link (Symlink) Following SNYK-JS-BACKSTAGEBACKENDPLUGINAPI-15054291	113
	Prototype Pollution SNYK-JS-LODASH-15053838	88
	Prototype Pollution SNYK-JS-LODASHES-15053836	88
	Regular Expression Denial of Service (ReDoS) SNYK-JS-DIFF-14917201	62

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

---

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---

Learn how to fix vulnerabilities with free interactive lessons:

🦉 Symlink Attack
🦉 Regular Expression Denial of Service (ReDoS)
🦉 Prototype Pollution

---

EntelligenceAI PR Summary

This PR updates dependency versions in the scaffolder-backend-module-yeoman package.json, transitioning from workspace references to pinned versions and upgrading yeoman-environment to v4.

• Changed @backstage/config from workspace:^ to 0.1.1
• Changed @backstage/plugin-scaffolder-node from workspace:^ to 0.11.2
• Changed @backstage/types from workspace:^ to 0.1.1
• Upgraded yeoman-environment from ^3.9.1 to ^4.0.0 (major version bump)

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[gemini-code-assist]

Summary of Changes

Hello @q1blue, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request, automatically generated by Snyk, aims to enhance the project's security posture by resolving eight identified vulnerabilities within its yarn dependencies. The changes involve updating specific package versions in the plugins/scaffolder-backend-module-yeoman/package.json file to their secure counterparts, thereby mitigating various security risks.

Highlights

• Vulnerability Fixes: This pull request addresses 8 security vulnerabilities identified by Snyk in the project's yarn dependencies, including high and medium severity issues such as Symlink Attack, Uncontrolled Resource Consumption, and Prototype Pollution.
• Dependency Updates: Several key dependencies within plugins/scaffolder-backend-module-yeoman/package.json have been updated to newer, more secure versions. These include @backstage/config, @backstage/plugin-scaffolder-node, @backstage/types, and yeoman-environment.
• Manual yarn.lock Update Required: Snyk reported that it failed to update the yarn.lock file, which will require manual intervention to ensure dependency consistency before merging this pull request.

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[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.

[entelligence-ai-pr-reviews]

Walkthrough

This PR updates dependency management in the scaffolder-backend-module-yeoman plugin's package.json. The changes transition three Backstage internal dependencies from workspace protocol references to pinned specific versions, ensuring consistent dependency resolution across environments. Additionally, the yeoman-environment package is upgraded from version 3.9.1 to 4.0.0, representing a major version bump that may introduce breaking changes or new features. These updates likely aim to stabilize the build process and leverage improvements in the latest yeoman-environment release.

Changes

File(s)	Summary
plugins/scaffolder-backend-module-yeoman/package.json	Updated three Backstage internal dependencies (@backstage/config, @backstage/plugin-scaffolder-node, @backstage/types) from workspace protocol references (workspace:^) to pinned versions (0.1.1, 0.11.2, 0.1.1); upgraded yeoman-environment from ^3.9.1 to ^4.0.0

Sequence Diagram

This diagram shows the interactions between components:

sequenceDiagram
    participant User
    participant Scaffolder as Scaffolder Backend
    participant YeomanAction as Yeoman Action
    participant YeomanEnv as Yeoman Environment (v4.0.0)
    participant Generator as Yeoman Generator

    User->>Scaffolder: Trigger template execution
    Scaffolder->>YeomanAction: Execute yeoman action
    activate YeomanAction
    
    YeomanAction->>YeomanEnv: Create environment instance
    activate YeomanEnv
    YeomanEnv-->>YeomanAction: Environment ready
    
    YeomanAction->>YeomanEnv: Register generator
    YeomanEnv->>Generator: Load generator
    activate Generator
    Generator-->>YeomanEnv: Generator registered
    
    YeomanAction->>YeomanEnv: Run generator with options
    YeomanEnv->>Generator: Execute generation
    Generator->>Generator: Process templates
    Generator->>Generator: Generate files
    Generator-->>YeomanEnv: Generation complete
    deactivate Generator
    
    YeomanEnv-->>YeomanAction: Execution result
    deactivate YeomanEnv
    YeomanAction-->>Scaffolder: Action complete
    deactivate YeomanAction
    Scaffolder-->>User: Template scaffolded

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[gemini-code-assist]

Code Review

This pull request, automatically generated by Snyk, aims to fix several security vulnerabilities by updating dependencies. However, it introduces a critical issue by replacing workspace:^ dependency specifiers with pinned versions for internal Backstage packages. This breaks the yarn workspace conventions of the monorepo and will likely cause build failures or runtime errors by using outdated packages. Additionally, it includes a major version upgrade for yeoman-environment, which carries a risk of breaking changes. I've left specific comments on how to address these issues. The changes to internal packages should be reverted, and vulnerabilities should be addressed using yarn's resolutions feature instead.

[gemini-code-assist]

Replacing workspace:^ with pinned versions is incorrect for this monorepo, which uses yarn workspaces. This change will cause this package to use old, published versions of @backstage/config and @backstage/types from the npm registry instead of the up-to-date versions from this workspace.

Specifically:

• @backstage/config would be downgraded from the workspace version (which appears to be 1.0.8) to 0.1.1.
• @backstage/types would be downgraded from the workspace version (which appears to be 1.1.0) to 0.1.1.

This will almost certainly lead to build failures or runtime errors. While the goal of fixing vulnerabilities is important, these changes are not the correct way to do it in this project structure.

The correct approach would be to:

1. Keep the workspace:^ specifiers.
2. Identify which transitive dependencies are vulnerable.
3. Use resolutions in the root package.json to force a secure version of the vulnerable packages across the entire workspace.

I recommend reverting these changes and using resolutions instead.

    "@backstage/config": "workspace:^",
    "@backstage/plugin-scaffolder-node": "workspace:^",
    "@backstage/types": "workspace:^"

[gemini-code-assist]

This is a major version upgrade for yeoman-environment (from ^3.9.1 to ^4.0.0). Major versions can introduce breaking changes, and the Snyk metadata for this PR indicates isBreakingChange:true. Please carefully review the yeoman-environment v4 release notes and update the code in this module to be compatible with the new version before merging.