RCE in Projectdiscovery Nuclei
CVE-2026-41282
ProjectDiscovery Nuclei 3 before 3.8.0 allows DSL expression injection. This affects use of -env-vars for multi-step templates against untrusted targets (not the default configuration).
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.001 (20.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N.
Affected products
- Projectdiscovery Nuclei — versions 3.0.0
Weakness classification (CWE)
References
- github.com/projectdiscovery/nuclei/security/advisories/GHSA-jm34-66cf-qpvr
- github.com/projectdiscovery/nuclei/pull/7221
- github.com/projectdiscovery/nuclei/pull/7321
- github.com/projectdiscovery/nuclei/commit/d2217320162d5782ca7cb95bef9dda1706381…
- github.com/projectdiscovery/nuclei/commit/6c803c74d193f85f8a6d9803ce493fd302cad…
Frequently asked questions
- What is CVE-2026-41282?
- CVE-2026-41282 is a medium-severity vulnerability in Projectdiscovery Nuclei, classified under Code Injection. CVSS score: 4.0/10. Published 2026-04-20.
- How severe is CVE-2026-41282?
- Medium severity. CVSS v3 base score is 4.0 out of 10.