Vulnerability library
Security checkOctober 24, 2025

rollbar vulnerable to Prototype Pollution in merge()

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Medium severitynpmrollbar

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Description

Prototype pollution vulnerability in merge(). If application code calls rollbar.configure() with untrusted input, prototype pollution is possible.

Recommendation

Update the rollbar package to the latest compatible version. Followings are version details:

  • Affected version(s): **>= 3.0.0-alpha1, <= 3.0.0-beta4 <= 2.26.4**
  • Patched version(s): **3.0.0-beta5 2.26.5**

References

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See something that needs correcting? Let us knowUpdated October 24, 2025