{
  "schemaVersion": 1,
  "incident": {
    "id": "cve-2026-104846",
    "url": "https://cveboard.org/i/cve-2026-104846",
    "urlPt": "https://cveboard.org/pt/i/cve-2026-104846",
    "json": "https://cveboard.org/i/cve-2026-104846.json",
    "kind": "vuln",
    "live": false,
    "knownExploited": false,
    "severity": "critical",
    "title": "Seroval: `fromJSON()` Promise thenable assimilation invokes plugin-produced callables (bypass of GHSA-mv8w-475r-vwqw)",
    "summary": "A fulfilled Promise node deserialized by fromJSON() can trigger unintended invocation of a plugin-produced callable through native ECMAScript thenable assimilation. This bypasses the type-confusion fix in seroval@1.5.3 (GHSA-mv8w-475r-vwqw / CVE-2026-59940) and affects every plugin-capable release from 0.12.0 through the current 1.6.0.",
    "titlePt": "Seroval: assimilação thenable de Promise de `fromJSON()` invoca callables produzidos por plugins (contorno de GHSA-mv8w-475r-vwqw)",
    "summaryPt": "Uma Promise node cumprida deserializada por fromJSON() pode disparar a invocação não intencional de um callable produzido por um plugin através da assimilação nativa de thenable do ECMAScript. Isso contorna o conserto de confusão de tipo no seroval@1.5.3 (GHSA-mv8w-475r-vwqw / CVE-2026-59940) e afeta todas as versões com capacidade de plugin desde 0.12.0 até a atual 1.6.0.",
    "cves": [
      "CVE-2026-104846"
    ],
    "ghsa": "GHSA-p6vx-979v-rg4c",
    "cvss": {
      "score": 9.8,
      "version": "3.1"
    },
    "epss": {
      "percentage": 0.00345,
      "percentile": 0.26562,
      "asOf": "2026-10-23"
    },
    "packages": [
      {
        "ecosystem": "npm",
        "name": "seroval",
        "vulnerable": ">= 0.12.0, <= 1.6.0",
        "fixed": "1.6.2",
        "advisory": "GHSA-p6vx-979v-rg4c"
      }
    ],
    "vendor": null,
    "product": null,
    "kev": null,
    "breach": null,
    "retracted": false,
    "sources": [
      {
        "label": "GitHub Advisory Database",
        "url": "https://github.com/advisories/GHSA-p6vx-979v-rg4c"
      }
    ],
    "publishedAt": "2026-10-05T23:40:43.000Z",
    "updatedAt": "2026-10-05T23:40:43.000Z"
  },
  "live": false,
  "events": [
    {
      "id": "ghsa:GHSA-p6vx-979v-rg4c:ghsa_published:2026-10-05T23:40:43.000Z",
      "incidentId": "cve-2026-104846",
      "type": "ghsa_published",
      "at": "2026-10-05T23:40:43.000Z",
      "detail": {
        "ghsa": "GHSA-p6vx-979v-rg4c",
        "severity": "critical",
        "fixed": "1.6.2"
      }
    }
  ]
}