Vulnerability in Projectdiscovery Nuclei
CVE-2026-41646
Nuclei is a vulnerability scanner built on a simple YAML-based DSL. From version 3.0.0 to before version 3.8.0, a vulnerability in Nuclei's JavaScript protocol runtime allows JavaScript templates to read local .js and .json files through the require() function, bypassing the default local file access restriction. This issue has been patched in version 3.8.0.
EPSS: 0.001 (1.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Projectdiscovery Nuclei — versions >= 3.0.0, < 3.8.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-41646?
- CVE-2026-41646 is a medium-severity vulnerability in Projectdiscovery Nuclei, classified under Improper Access Control. CVSS score: 5.5/10. Published 2026-05-08.
- How severe is CVE-2026-41646?
- Medium severity. CVSS v3 base score is 5.5 out of 10.