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[Snyk] Security upgrade lodash from 4.17.15 to 4.18.1#37

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[Snyk] Security upgrade lodash from 4.17.15 to 4.18.1#37
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@lmaeda

@lmaeda lmaeda commented Apr 2, 2026

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Snyk has created this PR to fix 2 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

  • package.json

Vulnerabilities that will be fixed with an upgrade:

Issue Score
high severity Arbitrary Code Injection
SNYK-JS-LODASH-15869625
  183  
medium severity Prototype Pollution
SNYK-JS-LODASH-15869619
  88  

Breaking Change Risk

Merge Risk: Medium

Notice: This assessment is enhanced by AI.


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🦉 Prototype Pollution
🦉 Arbitrary Code Injection

@lmaeda

lmaeda commented Apr 2, 2026

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Merge Risk: Medium

This minor version upgrade for lodash includes several security patches and bug fixes. While it is not a major version change, it introduces a behavioral modification that warrants a medium risk assessment.

Key Changes:

  • Behavioral Change in _.unset / _.omit: Version 4.18.0 fixes a prototype pollution vulnerability. As a result, attempts to use these functions to modify constructor or prototype properties will now be blocked. Calls that previously might have returned true and deleted a property will now return false and not modify the object. [1, 4] This is a security improvement, but it changes behavior that some applications might inadvertently rely on.
  • Security Fix in _.template: A code injection vulnerability was patched in _.template. [1, 4]
  • Other Fixes: The versions between 4.17.15 and 4.18.1 include various other bug fixes and performance improvements.

Recommendation:
While most applications are unlikely to be affected, it is important to verify that your code does not rely on the previous, insecure behavior of _.unset or _.omit when interacting with object prototypes.

Source: GitHub Release Notes

Notice 🤖: This content was augmented using artificial intelligence. AI-generated content may contain errors and should be reviewed for accuracy before use.

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