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Update dependency js-yaml to v4.1.1 [SECURITY]#602

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renovate[bot] merged 1 commit intomasterfrom
renovate/npm-js-yaml-vulnerability
Nov 15, 2025
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Update dependency js-yaml to v4.1.1 [SECURITY]#602
renovate[bot] merged 1 commit intomasterfrom
renovate/npm-js-yaml-vulnerability

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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 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.

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: Enabled.

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

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot added no release Do not create a release from this pull request renovate-deps labels Nov 14, 2025
@renovate renovate Bot requested a review from a team as a code owner November 14, 2025 20:47
@renovate renovate Bot merged commit 2442120 into master Nov 15, 2025
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@renovate renovate Bot deleted the renovate/npm-js-yaml-vulnerability branch November 15, 2025 03:53
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