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js-yaml — security advisory

Type: advisorySources: OSVAdvisory ID: ECHO-3185-a5dc-6763

This notice tracks CVE-2026-84375 for js-yaml. Fixed in: 4.1.1+echo.1.

Products
js-yaml
Affected versions
Not specified
Fixed versions
4.1.1+echo.1
CVEs
CVE-2026-84375
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 14:11 UTC · Revision 1

Source evidence

ECHO-3185-a5dc-6763

core-osv · Original source

Published 28 Sept 2026, 00:01 UTC

ECHO-3185-a5dc-6763

osv:ECHO-3185-a5dc-6763

js-yaml

Fixed versions: 4.1.1+echo.1

Complete source record
{
  "id": "e0a06541ea20b367f8f3bf65c2a3f13229bac0539755f32b077cdbbb68fd361b",
  "url": "https://osv.dev/vulnerability/ECHO-3185-a5dc-6763",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ECHO-3185-a5dc-6763",
    "summary": "ECHO-3185-a5dc-6763",
    "evidence": "osv:ECHO-3185-a5dc-6763",
    "products": [
      {
        "name": {
          "value": "js-yaml",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.1.1+echo.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "ECHO-3185-a5dc-6763",
      "aliases": [
        "ECHO-3185-a5dc-6763"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.1.1+echo.1"
                }
              ]
            }
          ],
          "package": {
            "name": "js-yaml",
            "purl": "pkg:npm/js-yaml",
            "ecosystem": "Echo:npm"
          },
          "database_specific": {
            "source": "https://advisory.echohq.com/osv/ECHO-3185-a5dc-6763.json"
          }
        }
      ],
      "modified": "2026-10-21T13:15:03.724901176Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-84375",
        "GHSA-2883-xcg3-v3hh"
      ],
      "references": [
        "https://advisory.echohq.com/cve/CVE-2026-84375"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-84375",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 393172,
  "published_at": "2026-09-28T00:01:15.221+00:00"
}