chore(deps): update dependency js-yaml to v4.1.1 [security]#457
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renovate[bot] merged 1 commit intomainfrom Nov 14, 2025
Merged
chore(deps): update dependency js-yaml to v4.1.1 [security]#457renovate[bot] merged 1 commit intomainfrom
renovate[bot] merged 1 commit intomainfrom
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This PR contains the following updates:
4.1.0->4.1.1GitHub 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=deleteordeno(in Deno, pollution protection is on by default).References
https://cheatsheetseries.owasp.org/cheatsheets/Prototype_Pollution_Prevention_Cheat_Sheet.html
js-yaml has prototype pollution in merge (<<)
CVE-2025-64718 / GHSA-mh29-5h37-fv8m
More information
Details
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=deleteordeno(in Deno, pollution protection is on by default).References
https://cheatsheetseries.owasp.org/cheatsheets/Prototype_Pollution_Prevention_Cheat_Sheet.html
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
Release Notes
nodeca/js-yaml (js-yaml)
v4.1.1Compare Source
Security
Configuration
📅 Schedule: Branch creation - "" in timezone Europe/Stockholm, Automerge - Every hour, between 09:00 AM and 09:00 PM, only on Saturday ( 0 9-21 * * 6 ) in timezone Europe/Stockholm.
🚦 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.
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