63 行
2.2 KiB
JSON
63 行
2.2 KiB
JSON
{
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"canonical_id": "undici--CVE-2026-21636",
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"system_id": "undici",
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"display_name": "Undici",
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"category": "frameworks",
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"advisory_mode": "core",
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"title": "CVE-2026-21636",
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"summary": "A flaw in Node.js's permission model allows Unix Domain Socket (UDS) connections to bypass network restrictions when `--permission` is enabled. Even without `--allow-net`, attacker-controlled inputs (such as URLs or socketPath options) can connect to arbitrary local sockets via net, tls, or undici/fetch. This breaks the intended security boundary of the permission model and enables access to privileged local services, potentially leading to privilege escalation, data exposure, or local code execution.\n\n* The issue affects users of the Node.js permission model on version v25.\n\nIn the moment of this vulnerability, network permissions (`--allow-net`) are still in the experimental phase.",
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"published_at": "2026-01-20T21:16:05.813",
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"updated_at": "2026-01-30T20:20:56.843",
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"severity": "critical",
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"cvss_score": 10.0,
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"exploit_status": "unknown",
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"source_confidence": "ecosystem-authority",
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"official_source_url": "https://nodejs.org/en/blog/vulnerability/december-2025-security-releases",
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"secondary_source_urls": [],
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"aliases": [
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"CVE-2026-21636"
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],
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"cve_ids": [
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"CVE-2026-21636"
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],
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"ghsa_ids": [],
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"osv_ids": [],
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"affected_versions": [],
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"fixed_versions": [],
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"package_name": null,
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"render_markdown": false,
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"case_path": null,
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"secure_code_topics": [
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"ssrf-url-validation",
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"proxy-trust-boundary"
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],
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"status": "triage",
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"triage_reasons": [
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"missing affected/fixed version details"
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],
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"verification_status": "triage-manual",
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"verification_mode": "synthetic",
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"last_verified_at": null,
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"last_run_id": null,
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"evidence_bundle": null,
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"historical_status": null,
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"latest_status": null,
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"browser_evidence": {
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"required": false,
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"present": false,
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"refs": []
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},
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"repro_profile_id": "authz-bypass-generic",
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"artifact_mode": "synthetic",
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"blocked_reason": null,
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"metadata": {
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"source_names": [
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"NVD Undici"
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],
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"source_kinds": [
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"nvd-search"
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],
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"candidate_count": 1
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}
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}
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