CVE-2026-123569

{
  "etk_id": "ETK-2026-3877",
  "cve_id": "CVE-2026-123569",
  "display_id": "CVE-2026-123569",
  "ghsa_id": "GHSA-hf27-79c5-2rv5",
  "euvd_id": "EUVD-2026-119454",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Resource exhaustion in devalue sparse-array serialization",
  "summary": "devalue versions before 5.6.3 may consume excessive memory and processor time while serializing sparse arrays through uneval or stringify. An attacker can cause a denial of service if they can cause such an array to be created on the server and subsequently serialized.",
  "mitigation": "Upgrade devalue to version 5.6.3 or later. Until upgraded, avoid serializing attacker-influenced sparse arrays with uneval or stringify.",
  "vendor": "sveltejs",
  "product": "devalue",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 5.6.3"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "5.6.3"
      ],
      "package_name": "devalue",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 21.4617111,
  "t0_at": "2026-11-08T01:38:07.240000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-08T01:38:07.240000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-08T01:38:07.240000+00:00",
      "url": "https://github.com/advisories/GHSA-hf27-79c5-2rv5"
    }
  }
}