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

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

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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

This data is provided by OSV and 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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Configuration

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