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Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CVE-2026-45325

High
8.2/10

Summary

Prototype Pollution vulnerability in @tmlmobilidade/utils for `setValueAtPath()` A fix is available in versions 20260509.0340.15 and up.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • LOW

CWE-1321 - Prototype Pollution

Prototype pollution is one of the lesser-known vulnerabilities. It allows attackers to abuse the rules of JavaScript by injecting properties into the general object “Object” in JS. Modifying the prototype of “Object” affects the behavior of all objects in the entire app, potentially resulting in denial of service, arbitrary code execution, cross-site scripting, etc.

References

Advisory Timeline

  • Published