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VulnerabilityPublished

CVE-2026-123808: nuxt ui · Information Exposure

Affects nuxt uiSource CVE Database V5

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Not known to be exploited · CVSS 5.3 Medium : upgrade to 4.8.1 when convenient.

Data as of 9 Nov 2026, 20:50 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 3.15.3
Patch
Available – fixed in 4.8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 9 Nov 2026.

What to do

Upgrade nuxt ui to 4.8.1.

Affected software

ProductAffectedFixed in
nuxtuiAffected
  • <4.8.1
Fixed in
  • 4.8.1

AI-suggested

Upgrade Nuxt UI to version 4.8.1 or later, where the issue is fixed by including the method and action attributes in server-rendered forms to prevent default GET submissions. No other mitigation is required as the fix addresses the root cause.

Description

CVE-2026-123808 is a vulnerability in Nuxt UI versions prior to 4.8.1 where server-rendered forms omit method and action attributes, relying on client-side Vue hydration to prevent native form submission. If a user submits a form before hydration completes or if the client bundle is blocked, sensitive credential data can be exposed in the URL query string, potentially leaking to browser history, logs, and Referer headers. This issue is fixed in version 4.8.1.

References

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