chore(deps): update dependency js-yaml to v4.1.1 [security]

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
js-yaml	4.1.0 → 4.1.1

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js-yaml has prototype pollution in merge (<<)

CVE-2025-64718 / GHSA-mh29-5h37-fv8m

More information

Details

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

Severity

• CVSS Score: 5.3 / 10 (Medium)
• Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

• https://github.com/nodeca/js-yaml/security/advisories/GHSA-mh29-5h37-fv8m
• https://nvd.nist.gov/vuln/detail/CVE-2025-64718
• https://github.com/nodeca/js-yaml/commit/383665ff4248ec2192d1274e934462bb30426879
• https://github.com/nodeca/js-yaml/commit/5278870a17454fe8621dbd8c445c412529525266
• https://github.com/nodeca/js-yaml/issues/730#issuecomment-3549635876
• https://github.com/advisories/GHSA-mh29-5h37-fv8m

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

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Release Notes

nodeca/js-yaml (js-yaml)

v4.1.1

Compare Source

Security

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

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[socket-security]

Warning

Review the following alerts detected in dependencies.

According to your organization's Security Policy, it is recommended to resolve "Warn" alerts. Learn more about Socket for GitHub.

Action	Severity	Alert  (click "▶" to expand/collapse)
Warn		Protestware or unwanted behavior: npm es5-ext Note: The script attempts to run a local post-install script, which could potentially contain malicious code. The error handling suggests that it is designed to fail silently, which is a common tactic in malicious scripts. From: pnpm-lock.yaml → npm/@1stg/app-config@4.1.3 → npm/es5-ext@0.10.64 ℹ Read more on: This package | This alert | What is protestware? Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev. Suggestion: Consider that consuming this package may come along with functionality unrelated to its primary purpose. Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/es5-ext@0.10.64. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	js-yaml@​4.1.0 ⏵ 4.1.1	+1	+2	+1

View full report