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@renovate renovate bot commented Nov 16, 2025

This PR contains the following updates:

Package Change Age Confidence
js-yaml 3.14.13.14.2 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)

v3.14.2

Compare Source

Security
  • Backported v4.1.1 fix to v3

Configuration

📅 Schedule: Branch creation - "" in timezone Asia/Tokyo, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

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

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

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

@renovate renovate bot added the dependencies Pull requests that update a dependency file label Nov 16, 2025
@renovate renovate bot changed the title fix(deps): update dependency js-yaml to v4 [security] fix(deps): update dependency js-yaml to v4 [security] - abandoned Nov 18, 2025
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renovate bot commented Nov 18, 2025

Autoclosing Skipped

This PR has been flagged for autoclosing. However, it is being skipped due to the branch being already modified. Please close/delete it manually or report a bug if you think this is in error.

@renovate renovate bot changed the title fix(deps): update dependency js-yaml to v4 [security] - abandoned chore(deps): update dependency js-yaml to v3.14.2 [security] Nov 18, 2025
@renovate renovate bot force-pushed the renovate/npm-js-yaml-vulnerability branch from 9a36e03 to 58a8840 Compare November 18, 2025 23:50
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