CVE-2026-114132: nuxt · Improper Handling of Case Sensitivity
Affects nuxtSource CVE Database V5
Not known to be exploited · CVSS 6.3 Medium : upgrade to 4.6.2 when convenient.
Data as of 26 Oct 2026, 14:00 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Limited control over the software or limited information exposure
CISA SSVC assessment, 2026-10-23.
- Patch
- Available – fixed in 4.6.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 21 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade nuxt to 4.6.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| nuxtnuxt | Affected
| Fixed in
|
AI-suggested
Upgrade Nuxt to version 4.6.2 or later, where this issue is fixed. Alternatively, ensure that router.options.sensitive is set to true in nuxt.config to prevent the vulnerability. Setting sensitivity only in app/router.options.ts is insufficient as the server follows the nuxt.config setting.
Description
Nuxt versions prior to 4.6.2 have a case sensitivity mismatch between page resolution and server-side route-rule matching. This allows requests with paths differing only by letter case to bypass intended server rules such as redirects, headers, proxy settings, and SSR controls. Applications that set router.options.sensitive: true in nuxt.config are not affected. The issue is fixed in version 4.6.2.