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@renovate renovate bot commented Nov 14, 2025

This PR contains the following updates:

Package Change Age Confidence
js-yaml 4.1.0 -> 4.1.1 age confidence

GitHub Vulnerability Alerts

CVE-2025-64718

Impact

In js-yaml 4.1.0, 4.0.0, and 3.14.1 and below, it's possible for an attacker to modify the prototype of the result of a parsed yaml document via prototype pollution (__proto__). All users who parse untrusted yaml documents may be impacted.

Patches

Problem is patched in js-yaml 4.1.1 and 3.14.2.

Workarounds

You can protect against this kind of attack on the server by using node --disable-proto=delete or deno (in Deno, pollution protection is on by default).

References

https://cheatsheetseries.owasp.org/cheatsheets/Prototype_Pollution_Prevention_Cheat_Sheet.html


Release Notes

nodeca/js-yaml (js-yaml)

v4.1.1

Compare Source

Security
  • Fix prototype pollution issue in yaml merge (<<) operator.

Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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@renovate renovate bot added dependencies Pull requests that update a dependency file patch-version labels Nov 14, 2025
@renovate renovate bot requested a review from a team as a code owner November 14, 2025 21:48
@renovate renovate bot added renovate dependencies Pull requests that update a dependency file patch-version labels Nov 14, 2025
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