CVE-2026-56301
Published: 23 June 2026
Summary
CVE-2026-56301 is a medium-severity Incorrect Default Permissions (CWE-276) vulnerability in Nuxt Nuxt. Its CVSS base score is 6.8 (Medium).
Operationally, ranked at the 1.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-38436
Vulnerability details
Nuxt 4.0.0 before 4.4.7 and 3.18.0 before 3.21.7, when running the development server (nuxt dev) on Linux, binds the vite-node IPC server to an abstract-namespace Unix socket without permission restrictions, allowing local users to enumerate and connect. Unprivileged co-resident users…
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can exploit the unprotected module request handler to read arbitrary files such as .env and SSH keys through the SSR plugin pipeline. Production builds are unaffected, as the IPC server runs only in development.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Insufficient information to map techniques.CVEs Like This One
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Access control policy can specify and enforce secure default permissions for resources.
Guides setting of default permissions to the minimum required level.
Establishes requirements for appropriate default permissions on system resources as part of configuration management.
Baseline establishment and updates on install/upgrade ensure correct default permissions rather than insecure ones.
Requiring the most restrictive settings instead of defaults prevents incorrect default permissions on resources.
Requires documented processes that include setting and maintaining correct default permissions for configuration items.
Requires addressing secure default permissions in physical and environmental protection controls.
Tailoring explicitly overrides or scopes default permission assignments in the baseline to match the system's actual risk and operational needs.
Hardening callouts derived
Configuration rules from DISA STIG baselines that reduce the attack surface for weaknesses of the type cited by this CVE. Derived transitively via CVE→CWE→STIG over `controls_xwalks` (authoritative rows only).
Windows Server 2016 (2 rules)
- V-224833 Permissions for program file directories must conform to minimum requirements. via CWE-276
- V-224834 Permissions for the Windows installation directory must conform to minimum requirements. via CWE-276
Windows Server 2019 (2 rules)
- V-205735 Windows Server 2019 permissions for program file directories must conform to minimum requirements. via CWE-276
- V-205736 Windows Server 2019 permissions for the Windows installation directory must conform to minimum requirements. via CWE-276
Windows Server 2022 (2 rules)
- V-254252 Windows Server 2022 permissions for program file directories must conform to minimum requirements. via CWE-276
- V-254253 Windows Server 2022 permissions for the Windows installation directory must conform to minimum requirements. via CWE-276