CVE-2026-41645

Description

A flaw was found in Nuclei, a vulnerability scanner. A malicious target server can inject and execute supported DSL (Domain Specific Language) expressions within Nuclei's expression evaluation engine. This occurs when HTTP response data containing helper/function syntax is reused by multi-step templates. If the -env-vars or -ev option is explicitly enabled, this vulnerability can lead to the disclosure of host environment variables.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Confidentiality

Technical Impact: Read Application Data

Integrity

Technical Impact: Execute Unauthorized Code or Commands

Frequently Asked Questions

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