Resource exhaustion in Nuxt
CVE-2026-71321
Nuxt is an open-source web development framework for Vue.js. From 3.1.0 until 3.21.10 and 4.5.1, the internal island renderer endpoint `/__nuxt_island/...` decodes and hashes attacker-controlled JSON body input with destr and ohash before…
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Nuxt — versions >= 4.0.0, < 4.5.1, >= 3.1.0, < 3.21.10
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-71321?
- CVE-2026-71321 is a high-severity vulnerability in Nuxt, classified under Inefficient Algorithmic Complexity. CVSS score: 7.5/10. Published 2026-08-05.
- How severe is CVE-2026-71321?
- High severity. CVSS v3 base score is 7.5 out of 10.