CVE-2026-128076

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-128076", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-11-12T21:24:51.130Z", "datePublished": "2026-11-13T17:38:34.081Z", "dateUpdated": "2026-11-13T17:38:34.081Z"}, "containers": {"cna": {"title": "Nuxt: Colliding island props can share one `/__nuxt_island` path (incomplete fix for CVE-2026-46342)", "problemTypes": [{"descriptions": [{"cweId": "CWE-116", "lang": "en", "description": "CWE-116: Improper Encoding or Escaping of Output", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-349", "lang": "en", "description": "CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/nuxt/nuxt/security/advisories/GHSA-hf59-9xwc-2g4p", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-hf59-9xwc-2g4p"}, {"name": "https://github.com/nuxt/nuxt/commit/6f1b93c643355688bc9e2d7434723f7fd3f25092", "tags": ["x_refsource_MISC"], "url": "https://github.com/nuxt/nuxt/commit/6f1b93c643355688bc9e2d7434723f7fd3f25092"}, {"name": "https://github.com/nuxt/nuxt/releases/tag/v4.6.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/nuxt/nuxt/releases/tag/v4.6.4"}], "affected": [{"vendor": "nuxt", "product": "nuxt", "versions": [{"version": ">= 3.21.6, < 4.0.0", "status": "affected"}, {"version": ">= 4.4.6, < 4.6.4", "status": "affected"}]}, {"vendor": "@nuxt", "product": "nitro-server", "versions": [{"version": ">= 3.21.6, < 4.0.0", "status": "affected"}, {"version": ">= 4.4.6, < 4.6.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-13T17:38:34.081Z"}, "descriptions": [{"lang": "en", "value": "Nuxt is an open-source web development framework for Vue.js. From 3.21.6 to before 4.0.0 and from 4.4.6 until 4.6.4, the /__nuxt_island path hash uses ohash serialization that does not escape quotes in string values or delimiters in object keys, allowing different island-prop tuples to produce the same path. For prerendering, substituted content is written into the generated page only if the crawler reaches a colliding URL before rendering the page with the legitimate props. Separately, a CDN or reverse proxy that keys island responses by path alone can be primed with the colliding response. If the substituted prop reaches v-html, innerHTML, or another unsafe HTML sink, the response can execute script in the application origin; otherwise the impact is content substitution. Applications that do not use server components or NuxtIsland, islands without attacker-influenced string props, and responses not cached by path alone are unaffected. This issue is fixed in version 4.6.4."}], "source": {"advisory": "GHSA-hf59-9xwc-2g4p", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "nuxt", "vendor": "nuxt", "versions": [{"status": "affected", "version": ">= 3.21.6, < 4.0.0"}, {"status": "affected", "version": ">= 4.4.6, < 4.6.4"}]}, {"product": "nitro-server", "vendor": "@nuxt", "versions": [{"status": "affected", "version": ">= 3.21.6, < 4.0.0"}, {"status": "affected", "version": ">= 4.4.6, < 4.6.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nuxt is an open-source web development framework for Vue.js. From 3.21.6 to before 4.0.0 and from 4.4.6 until 4.6.4, the /__nuxt_island path hash uses ohash serialization that does not escape quotes in string values or delimiters in object keys, allowing different island-prop tuples to produce the same path. For prerendering, substituted content is written into the generated page only if the crawler reaches a colliding URL before rendering the page with the legitimate props. Separately, a CDN or reverse proxy that keys island responses by path alone can be primed with the colliding response. If the substituted prop reaches v-html, innerHTML, or another unsafe HTML sink, the response can execute script in the application origin; otherwise the impact is content substitution. Applications that do not use server components or NuxtIsland, islands without attacker-influenced string props, and responses not cached by path alone are unaffected. This issue is fixed in version 4.6.4."}], "id": "CVE-2026-128076", "lastModified": "2026-11-13T18:17:37.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-13T18:17:37.003", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/nuxt/nuxt/commit/6f1b93c643355688bc9e2d7434723f7fd3f25092"}, {"source": "security-advisories@github.com", "url": "https://github.com/nuxt/nuxt/releases/tag/v4.6.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-hf59-9xwc-2g4p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-116"}, {"lang": "en", "value": "CWE-349"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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