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chore(deps): update dependency immer to v9.0.6 [security] - #1203

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This PR contains the following updates:

Package Change Age Confidence
immer 9.0.5 → 9.0.6 age confidence

Prototype Pollution in immer

CVE-2021-3757 / GHSA-c36v-fmgq-m8hx

More information

Details

immer is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').

Severity

  • CVSS Score: 7.5 / 10 (High)
  • Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Prototype Pollution in immer

CVE-2021-23436 / GHSA-33f9-j839-rf8h

More information

Details

This affects the package immer before 9.0.6. A type confusion vulnerability can lead to a bypass of CVE-2020-28477 when the user-provided keys used in the path parameter are arrays. In particular, this bypass is possible because the condition (p === "__proto__" || p === "constructor") in applyPatches_ returns false if p is ['__proto__'] (or ['constructor']). The === operator (strict equality operator) returns false if the operands have different type.

Severity

  • CVSS Score: 9.8 / 10 (Critical)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

immerjs/immer (immer)

v9.0.6

Compare Source

Bug Fixes
  • security: Follow up on CVE-2020-28477 where path: [["__proto__"], "x"] could still pollute the prototype (fa671e5)

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@renovate renovate Bot added the dependencies Pull requests that update a dependency file label Aug 29, 2026
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@renovate
renovate Bot force-pushed the renovate/npm-immer-vulnerability branch from 402c162 to 4dafef0 Compare September 15, 2026 20:18
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renovate Bot force-pushed the renovate/npm-immer-vulnerability branch from 4dafef0 to 8a152cc Compare October 2, 2026 18:40
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renovate Bot force-pushed the renovate/npm-immer-vulnerability branch from 8a152cc to e93608e Compare October 5, 2026 21:01

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