文件
websafe-kb/08-threat-intel/registry/advisories/express--CVE-2025-67731.json

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{
"canonical_id": "express--CVE-2025-67731",
"system_id": "express",
"display_name": "Express",
"category": "frameworks",
"advisory_mode": "core",
"title": "CVE-2025-67731",
"summary": "Servify Express is a Node.js package to start an Express server and log the port it's running on. Prior to 1.2, the Express server used express.json() without a size limit, which could allow attackers to send extremely large request bodies. This can cause excessive memory usage, degraded performance, or process crashes, resulting in a Denial of Service (DoS). Any application using the JSON parser without limits and exposed to untrusted clients is affected. The issue is not a flaw in Express itself, but in configuration. This issue is fixed in version 1.2. To work around, consider adding a limit option to the JSON parser, rate limiting at the application or reverse-proxy level, rejecting unusually large requests before parsing, or using a reverse proxy (such as NGINX) to enforce maximum request body sizes.",
"published_at": "2025-12-12T08:15:48.367",
"updated_at": "2026-03-17T19:40:55.690",
"severity": "high",
"cvss_score": 7.5,
"exploit_status": "unknown",
"source_confidence": "ecosystem-authority",
"official_source_url": "https://github.com/Aarondoran/servify-express/commit/8dff7f56504b356278d849734ef2050e5cd23b61",
"secondary_source_urls": [
"https://github.com/Aarondoran/servify-express/releases/tag/V1.2",
"https://github.com/Aarondoran/servify-express/security/advisories/GHSA-qgc4-8p88-4w7m"
],
"aliases": [
"CVE-2025-67731"
],
"cve_ids": [
"CVE-2025-67731"
],
"ghsa_ids": [],
"osv_ids": [],
"affected_versions": [],
"fixed_versions": [],
"package_name": null,
"render_markdown": false,
"case_path": null,
"secure_code_topics": [
"xss-output-encoding",
"ssrf-url-validation",
"proxy-trust-boundary",
"dependency-upgrade-policy"
],
"status": "triage",
"triage_reasons": [
"missing affected/fixed version details"
],
"verification_status": "triage-manual",
"verification_mode": "synthetic",
"last_verified_at": null,
"last_run_id": null,
"evidence_bundle": null,
"historical_status": null,
"latest_status": null,
"browser_evidence": {
"required": false,
"present": false,
"refs": []
},
"repro_profile_id": "xss-generic",
"artifact_mode": "synthetic",
"blocked_reason": null,
"metadata": {
"source_names": [
"NVD Express.js"
],
"source_kinds": [
"nvd-search"
],
"candidate_count": 1
}
}