immutable — security advisory

{
  "id": "5a1a6f56f2c2fccf36f431c0bdcf365107bcca371030d2a66a0571789cc3e97e",
  "url": "https://osv.dev/vulnerability/ECHO-f029-7bdc-7793",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ECHO-f029-7bdc-7793",
    "summary": "ECHO-f029-7bdc-7793",
    "evidence": "osv:ECHO-f029-7bdc-7793",
    "products": [
      {
        "name": {
          "value": "immutable",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.7.6+echo.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "ECHO-f029-7bdc-7793",
      "aliases": [
        "ECHO-f029-7bdc-7793"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.7.6+echo.1"
                }
              ]
            }
          ],
          "package": {
            "name": "immutable",
            "purl": "pkg:npm/immutable",
            "ecosystem": "Echo:npm"
          },
          "database_specific": {
            "source": "https://advisory.echohq.com/osv/ECHO-f029-7bdc-7793.json"
          }
        }
      ],
      "modified": "2026-10-20T12:45:03.148542923Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-29063",
        "GHSA-wf6x-7x77-mvgw"
      ],
      "references": [
        "https://advisory.echohq.com/cve/CVE-2026-29063",
        "https://github.com/immutable-js/immutable-js/security/advisories/GHSA-wf6x-7x77-mvgw",
        "https://github.com/immutable-js/immutable-js/commit/16b3313fdf2c5f579f10799e22869f6909abf945",
        "https://github.com/immutable-js/immutable-js/commit/6ed4eb626906df788b08019061b292b90bc718cb",
        "https://github.com/immutable-js/immutable-js/releases/tag/v4.3.8",
        "https://github.com/immutable-js/immutable-js/releases/tag/v5.1.5",
        "https://github.com/immutable-js/immutable-js/issues/2178",
        "https://github.com/immutable-js/immutable-js/commit/6e2cf1cfe6137e72dfa48fc2cfa8f4d399d113f9",
        "https://github.com/immutable-js/immutable-js/releases/tag/v3.8.3",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-29063",
        "https://github.com/advisories/GHSA-wf6x-7x77-mvgw"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-29063",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 387290,
  "published_at": "2026-10-20T12:21:50.488+00:00"
}