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    4 vulnerabilities found for nuxt\/webpack-builder by nuxt

    CVE-2026-49993 (GCVE-0-2026-49993)

    Vulnerability from nvd – Published: 2026-06-12 12:57 – Updated: 2026-06-12 13:42
    VLAI
    Title
    @nuxt/webpack-builder and @nuxt/rspack-builder dev server same-origin check bypassed when Sec-Fetch-Site, Origin, and Referer are all absent (incomplete fix for GHSA-6m52-m754-pw2g)
    Summary
    Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder from versions 3.15.4 to before 3.21.7 and 4.0.0 to before 4.4.7, there is an incomplete fix for GHSA-6m52-m754-pw2g. Source code may still be stolen during dev when using the webpack / rspack builder if the dev server is bound to a non-loopback address (e.g. nuxt dev --host) and the developer opens a malicious site on the same network. This issue has been patched in versions 3.21.7 and 4.4.7.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-749 - Exposed Dangerous Method or Function
    Assigner
    Impacted products
    Vendor Product Version
    nuxt nuxt Affected: >= 3.15.4, < 3.21.7
    Affected: >= 4.0.0, < 4.4.7
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-45670 (GCVE-0-2026-45670)

    Vulnerability from nvd – Published: 2026-06-12 12:51 – Updated: 2026-06-12 14:18
    VLAI
    Title
    Nuxt: Dev server exposes built source over LAN to malicious sites (incomplete fix for GHSA-4gf7-ff8x-hq99)
    Summary
    Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder versions 3.15.4 to before 3.21.6, and 4.0.0-alpha.1 to before 4.4.6, there is an incomplete fix for GHSA-4gf7-ff8x-hq99. Source code may be stolen during dev when using the webpack / rspack builder if the dev server is bound to a non-loopback address (e.g. nuxt dev --host) and the developer opens a malicious site on the same network. This issue has been patched in versions 3.21.6 and 4.4.6.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-749 - Exposed Dangerous Method or Function
    Assigner
    Impacted products
    Vendor Product Version
    nuxt nuxt Affected: >= 3.15.4, < 3.21.6
    Affected: >= 4.0.0-alpha.1, < 4.4.6
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-49993 (GCVE-0-2026-49993)

    Vulnerability from cvelistv5 – Published: 2026-06-12 12:57 – Updated: 2026-06-12 13:42
    VLAI
    Title
    @nuxt/webpack-builder and @nuxt/rspack-builder dev server same-origin check bypassed when Sec-Fetch-Site, Origin, and Referer are all absent (incomplete fix for GHSA-6m52-m754-pw2g)
    Summary
    Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder from versions 3.15.4 to before 3.21.7 and 4.0.0 to before 4.4.7, there is an incomplete fix for GHSA-6m52-m754-pw2g. Source code may still be stolen during dev when using the webpack / rspack builder if the dev server is bound to a non-loopback address (e.g. nuxt dev --host) and the developer opens a malicious site on the same network. This issue has been patched in versions 3.21.7 and 4.4.7.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-749 - Exposed Dangerous Method or Function
    Assigner
    Impacted products
    Vendor Product Version
    nuxt nuxt Affected: >= 3.15.4, < 3.21.7
    Affected: >= 4.0.0, < 4.4.7
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-45670 (GCVE-0-2026-45670)

    Vulnerability from cvelistv5 – Published: 2026-06-12 12:51 – Updated: 2026-06-12 14:18
    VLAI
    Title
    Nuxt: Dev server exposes built source over LAN to malicious sites (incomplete fix for GHSA-4gf7-ff8x-hq99)
    Summary
    Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder versions 3.15.4 to before 3.21.6, and 4.0.0-alpha.1 to before 4.4.6, there is an incomplete fix for GHSA-4gf7-ff8x-hq99. Source code may be stolen during dev when using the webpack / rspack builder if the dev server is bound to a non-loopback address (e.g. nuxt dev --host) and the developer opens a malicious site on the same network. This issue has been patched in versions 3.21.6 and 4.4.6.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-749 - Exposed Dangerous Method or Function
    Assigner
    Impacted products
    Vendor Product Version
    nuxt nuxt Affected: >= 3.15.4, < 3.21.6
    Affected: >= 4.0.0-alpha.1, < 4.4.6
    Create a notification for this product.
    Show details on NVD website

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                "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g"
              },
              {
                "tags": [
                  "exploit"
                ],
                "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-4gf7-ff8x-hq99"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "nuxt",
              "vendor": "nuxt",
              "versions": [
                {
                  "status": "affected",
                  "version": "\u003e= 3.15.4, \u003c 3.21.6"
                },
                {
                  "status": "affected",
                  "version": "\u003e= 4.0.0-alpha.1, \u003c 4.4.6"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder versions 3.15.4 to before 3.21.6, and 4.0.0-alpha.1 to before 4.4.6, there is an incomplete fix for GHSA-4gf7-ff8x-hq99. Source code may be stolen during dev when using the webpack / rspack builder if the dev server is bound to a non-loopback address (e.g. nuxt dev --host) and the developer opens a malicious site on the same network. This issue has been patched in versions 3.21.6 and 4.4.6."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "attackComplexity": "HIGH",
                "attackRequirements": "PRESENT",
                "attackVector": "ADJACENT",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "privilegesRequired": "NONE",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "PASSIVE",
                "vectorString": "CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                "version": "4.0",
                "vulnAvailabilityImpact": "NONE",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "NONE"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-749",
                  "description": "CWE-749: Exposed Dangerous Method or Function",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-06-12T12:51:16.156Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "name": "https://github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g"
            },
            {
              "name": "https://github.com/nuxt/nuxt/security/advisories/GHSA-4gf7-ff8x-hq99",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-4gf7-ff8x-hq99"
            },
            {
              "name": "https://github.com/nuxt/nuxt/pull/35051",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/nuxt/nuxt/pull/35051"
            }
          ],
          "source": {
            "advisory": "GHSA-6m52-m754-pw2g",
            "discovery": "UNKNOWN"
          },
          "title": "Nuxt: Dev server exposes built source over LAN to malicious sites (incomplete fix for GHSA-4gf7-ff8x-hq99)"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2026-45670",
        "datePublished": "2026-06-12T12:51:16.156Z",
        "dateReserved": "2026-05-12T21:59:25.666Z",
        "dateUpdated": "2026-06-12T14:18:09.794Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }