Nuxt before 4.5.1 Information Disclosure via Chrome DevTools

{
  "id": "1815365c789b9bd5abec0914979d0e433c8df569a371b219fcedcc4f2130e34b",
  "url": "https://osv.dev/vulnerability/CVE-2026-72744",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Nuxt before 4.5.1 Information Disclosure via Chrome DevTools",
    "summary": "Nuxt versions >= 4.4.7 and < 4.5.1, and >= 3.21.7 and < 3.21.10, contain an information disclosure vulnerability in the development server's Chrome DevTools workspace endpoint (GET /.well-known/appspecific/com.chrome.devtools.json). The endpoint's local-request gate (isLocalDevRequest) is header-based and trusts the attacker-supplied Host header rather than the connected peer address. When the dev server is bound to a network-reachable interface (e.g. nuxt dev --host) and experimental.chromeDevtoolsProjectSettings is enabled (the default), an unauthenticated attacker on the LAN can send a request with a spoofed Host header and no browser-specific headers (Sec-Fetch-Site, Origin, Referer) to retrieve the project's absolute filesystem root path (rootDir) and a persistent per-project workspace UUID. Production builds are unaffected. Fixed in 4.5.1 and 3.21.10.",
    "evidence": "osv:CVE-2026-72744",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-72744",
      "aliases": [
        "CVE-2026-72744",
        "GHSA-7c4v-fwgw-9rf7"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nuxt/nuxt",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b7d57903b947e788fadfcfdf88be7951943731bf"
                },
                {
                  "fixed": "452dd50d92ccdf6f456b500e71d0f26baaeff796"
                },
                {
                  "introduced": "fd806be61503f6ccad099c070a5d803777ba8a57"
                },
                {
                  "fixed": "deafc94128005346ed8ef4dd5e64f940d80377d3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "4.4.7"
                      },
                      {
                        "fixed": "4.5.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.21.7"
                      },
                      {
                        "fixed": "3.21.10"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.5.0",
            "v3.21.9",
            "v3.21.8",
            "v4.4.8",
            "v4.4.7",
            "v3.21.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72744.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.373241149Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72744.json",
        "https://github.com/nuxt/nuxt/security/advisories/GHSA-7c4v-fwgw-9rf7",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-72744",
        "https://www.vulncheck.com/advisories/nuxt-before-information-disclosure-via-chrome-devtools"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72744.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-72744",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496256,
  "published_at": "2026-08-11T12:16:58.926+00:00"
}