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 expression evaluation engine makes it possible for a malicious target server to inject and execute supported DSL expressions. This happens when HTTP response data containing helper/function syntax gets reused by multi-step templates. If the -env-vars / -ev option is explicitly enabled, this can expose host environment variables. That option is off by default, so standard configurations are not affected by the information disclosure risk. This issue has been patched in version 3.8.0.
References
| Link | Resource |
|---|---|
| https://github.com/projectdiscovery/nuclei/commit/6c803c74d193f85f8a6d9803ce493fd302cad0eb | Patch |
| https://github.com/projectdiscovery/nuclei/commit/d2217320162d5782ca7cb95bef9dda17063818f3 | Patch |
| https://github.com/projectdiscovery/nuclei/pull/7221 | Issue Tracking Patch |
| https://github.com/projectdiscovery/nuclei/pull/7321 | Issue Tracking Patch |
| https://github.com/projectdiscovery/nuclei/releases/tag/v3.8.0 | Product Release Notes |
| https://github.com/projectdiscovery/nuclei/security/advisories/GHSA-jm34-66cf-qpvr | Mitigation Patch Vendor Advisory |
Configurations
History
No history.
Information
Published : 2026-05-08 04:16
Updated : 2026-06-17 10:46
NVD link : CVE-2026-41645
Mitre link : CVE-2026-41645
CVE.ORG link : CVE-2026-41645
JSON object : View
Products Affected
projectdiscovery
- nuclei
CWE
CWE-94
Improper Control of Generation of Code ('Code Injection')
