CVE-2026-71315

HIGHPre-NVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.2 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5% (38th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 8.2Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Nuxt is an open-source web development framework for Vue.js. From 3.21.7 until 3.21.10 and 4.5.1, mixed-case routeRules keys can fail to match case-folded lookups when router.options.sensitive is false and drop appMiddleware authorization gates. This is caused by an incomplete fix for CVE-2026-53721. This issue is fixed in 3.21.10 and 4.5.1.

CVSS v3
8.2
EG Score
8.2HIGHmedium confidence
EG Risk
52
EG Risk 52/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity82% × 45%
Exploitation0% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.5%
EPSS %ILE
38th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 5, 2026

Last Modified

September 8, 2026

Advisory Details (5)

Auto-updated Aug 5, 2026
Patch available. Sources: github_commit, github_release, github.
github Patch Available

Nuxt route rules silently dropped for mixed-case paths, bypassing appMiddleware auth gates (incomplete fix for CVE-2026-53721) · Advisory · nuxt/nuxt · GitHub

https://github.com/nuxt/nuxt/security/advisories/GHSA-hxvh-4h3w-prp9
github_release Patch Available

Release v4.5.1 (nuxt/nuxt)

Patch available: nuxt/nuxt v4.5.1

https://github.com/nuxt/nuxt/releases/tag/v4.5.1
github_release Patch Available

Release v3.21.10 (nuxt/nuxt)

Patch available: nuxt/nuxt v3.21.10

https://github.com/nuxt/nuxt/releases/tag/v3.21.10
github_commit

commit ad624a75ad2d (nuxt/nuxt)

Fix landed in nuxt/nuxt commit ad624a75ad2d — awaiting tagged release

https://github.com/nuxt/nuxt/commit/ad624a75ad2d215f43633f6b40be346a7194d34d
github_commit

commit 619963309e08 (nuxt/nuxt)

Fix landed in nuxt/nuxt commit 619963309e08 — awaiting tagged release

https://github.com/nuxt/nuxt/commit/619963309e082190bac4a26b05f2dd155b039b81

Vendor Advisories for CVE-2026-71315(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFix by version rangeDependents
nuxt—
  • 4.4.7 up to 4.5.1: fixed in 4.5.1
  • 3.21.7 up to 3.21.10: fixed in 3.21.10
—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 103 total refreshes for this CVE.

  1. 2026-10-04 23:29 UTCEG score recompute
  2. 2026-10-04 23:22 UTCEPSS rescore
  3. 2026-10-04 05:57 UTCEG score recompute
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  1. 2026-09-18 19:28 UTCEPSS rescore
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  24. 2026-09-04 05:07 UTCEPSS rescore
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  26. 2026-09-02 14:12 UTCEPSS rescore
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  47. 2026-08-20 22:56 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2026-71315?
CVE-2026-71315 is a high vulnerability published on August 5, 2026. Nuxt is an open-source web development framework for Vue.js. From 3.21.7 until 3.21.10 and 4.5.1, mixed-case routeRules keys can fail to match case-folded lookups when router.options.sensitive is false and drop appMiddleware authorization gates. This is caused by an incomplete fix for…
When was CVE-2026-71315 disclosed?
CVE-2026-71315 was first published on August 5, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-71315 actively exploited?
CVE-2026-71315 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (38th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-71315?
CVE-2026-71315 has a CVSS base score of 8.2 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-71315?
A fix for CVE-2026-71315 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-71315 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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