{"api_version":"1","generated_at":"2026-11-13T23:24:28+00:00","cve":"CVE-2026-128076","urls":{"html":"https://cve.report/CVE-2026-128076","api":"https://cve.report/api/cve/CVE-2026-128076.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-128076","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-128076"},"summary":{"title":"Nuxt: Colliding island props can share one `/__nuxt_island` path (incomplete fix for CVE-2026-46342)","description":"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.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-11-13 18:17:37","updated_at":"2026-11-13 18:17:37"},"problem_types":["CWE-116","CWE-349","CWE-116 CWE-116: Improper Encoding or Escaping of Output","CWE-349 CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"3.1","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","baseScore":3.1,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"3.1","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","data":{"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":[{"url":"https://github.com/nuxt/nuxt/releases/tag/v4.6.4","name":"https://github.com/nuxt/nuxt/releases/tag/v4.6.4","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-hf59-9xwc-2g4p","name":"https://github.com/nuxt/nuxt/security/advisories/GHSA-hf59-9xwc-2g4p","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/nuxt/nuxt/commit/6f1b93c643355688bc9e2d7434723f7fd3f25092","name":"https://github.com/nuxt/nuxt/commit/6f1b93c643355688bc9e2d7434723f7fd3f25092","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-128076","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-128076","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"nuxt","product":"nuxt","version":"affected >= 3.21.6, < 4.0.0","platforms":[]},{"source":"CNA","vendor":"nuxt","product":"nuxt","version":"affected >= 4.4.6, < 4.6.4","platforms":[]},{"source":"CNA","vendor":"@nuxt","product":"nitro-server","version":"affected >= 3.21.6, < 4.0.0","platforms":[]},{"source":"CNA","vendor":"@nuxt","product":"nitro-server","version":"affected >= 4.4.6, < 4.6.4","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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"}]}],"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."}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-116","description":"CWE-116: Improper Encoding or Escaping of Output","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-349","description":"CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-13T17:38:34.081Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"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"}],"source":{"advisory":"GHSA-hf59-9xwc-2g4p","discovery":"UNKNOWN"},"title":"Nuxt: Colliding island props can share one `/__nuxt_island` path (incomplete fix for CVE-2026-46342)"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-128076","datePublished":"2026-11-13T17:38:34.081Z","dateReserved":"2026-11-12T21:24:51.130Z","dateUpdated":"2026-11-13T17:38:34.081Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-13 18:17:37","lastModifiedDate":"2026-11-13 18:17:37","problem_types":["CWE-116","CWE-349","CWE-116 CWE-116: Improper Encoding or Escaping of Output","CWE-349 CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","baseScore":3.1,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":1.4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"128076","Ordinal":"1","Title":"Nuxt: Colliding island props can share one `/__nuxt_island` path","CVE":"CVE-2026-128076","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"128076","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Nuxt: Colliding island props can share one `/__nuxt_island` path"}]}}}