FKIE_CVE-2026-71318

Vulnerability from fkie_nvd - Published: 2026-08-05 22:17 - Updated: 2026-08-06 16:16
Severity
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
Nuxt is an open-source web development framework for Vue.js. From 3.1.0 until 3.21.10 and 4.5.1, an attacker can supply a top-level `as` prop to the /__nuxt_island/ endpoint and drive dynamic component resolution through <component :is>, resolveDynamicComponent, or h(). This issue is fixed in 3.21.10 and 4.5.1.
References
security-advisories@github.comhttps://github.com/nuxt/nuxt/releases/tag/v3.21.10
security-advisories@github.comhttps://github.com/nuxt/nuxt/releases/tag/v4.5.1
security-advisories@github.comhttps://github.com/nuxt/nuxt/security/advisories/GHSA-48hr-524c-v5w3
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "nuxt",
          "vendor": "nuxt",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 4.0.0, \u003c 4.5.1"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.1.0, \u003c 3.21.10"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nuxt is an open-source web development framework for Vue.js. From 3.1.0 until 3.21.10 and 4.5.1, an attacker can supply a top-level `as` prop to the /__nuxt_island/ endpoint and drive dynamic component resolution through \u003ccomponent :is\u003e, resolveDynamicComponent, or h(). This issue is fixed in 3.21.10 and 4.5.1."
    }
  ],
  "id": "CVE-2026-71318",
  "lastModified": "2026-08-06T16:16:53.847",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 2.5,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-71318",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-06T14:49:01.717277Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-05T22:17:08.083",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/nuxt/nuxt/releases/tag/v3.21.10"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/nuxt/nuxt/releases/tag/v4.5.1"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-48hr-524c-v5w3"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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