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CVE-2026-53721

Nuxt is an open-source web development framework for Vue.js. From versions 3.11.0 to before 3.21.7 and 4.0.0 to before 4.4.7, there is a route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher. This issue has been patched in versions 3.21.7 and 4.4.7.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1dea653ae287f49ca5dc4920cf19631e60f20a972d17b560ae554992c61abcf9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-178","description":"CWE-178: Improper Handling of Case Sensitivity","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8ece8ecc66a7d1cdb156ab6a6b1b6191fc46bd223c9d5c2028f6033ecc95011 · sha256:5acc4d16ef8bb9ae… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8ece8ecc66a7d1cdb156ab6a6b1b6191fc46bd223c9d5c2028f6033ecc95011 · sha256:5acc4d16ef8bb9ae… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"nuxt","vendor":"nuxt","versions":[{"status":"affected","version":">= 3.11.0, < 3.21.7"},{"status":"affected","version":">= 4.0.0, < 4.4.7"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e8ece8ecc66a7d1cdb156ab6a6b1b6191fc46bd223c9d5c2028f6033ecc95011 · sha256:5acc4d16ef8bb9ae… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e8ece8ecc66a7d1cdb156ab6a6b1b6191fc46bd223c9d5c2028f6033ecc95011 · sha256:5acc4d16ef8bb9ae… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-178","description":"CWE-178: Improper Handling of Case Sensitivity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8ece8ecc66a7d1cdb156ab6a6b1b6191fc46bd223c9d5c2028f6033ecc95011 · sha256:5acc4d16ef8bb9ae… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8ece8ecc66a7d1cdb156ab6a6b1b6191fc46bd223c9d5c2028f6033ecc95011 · sha256:5acc4d16ef8bb9ae… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb","tags":["x_refsource_MISC"],"url":"https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8ece8ecc66a7d1cdb156ab6a6b1b6191fc46bd223c9d5c2028f6033ecc95011 · sha256:5acc4d16ef8bb9ae… · /containers/cna/references/1
{"name":"https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e","tags":["x_refsource_MISC"],"url":"https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8ece8ecc66a7d1cdb156ab6a6b1b6191fc46bd223c9d5c2028f6033ecc95011 · sha256:5acc4d16ef8bb9ae… · /containers/cna/references/2
{"name":"https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8ece8ecc66a7d1cdb156ab6a6b1b6191fc46bd223c9d5c2028f6033ecc95011 · sha256:5acc4d16ef8bb9ae… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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