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CVE-2026-76804— Nuclei: Local File Read via Workflow File-Protocol Gate Bypass

Quick assessment

Affected
projectdiscovery nuclei
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nuclei is a vulnerability scanner built on a simple YAML-based DSL. From 3.0.0 until 3.10.0, the workflow template loading path does not enforce the -file capability gate when resolving file: protocol templates referenced by a workflow. An untrusted unsigned w

CVSS 5.5 · Medium
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I. Basic Information for CVE-2026-76804

Vulnerability Information

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Vulnerability Title
Nuclei: Local File Read via Workflow File-Protocol Gate Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Nuclei is a vulnerability scanner built on a simple YAML-based DSL. From 3.0.0 until 3.10.0, the workflow template loading path does not enforce the -file capability gate when resolving file: protocol templates referenced by a workflow. An untrusted unsigned workflow can therefore load a file-protocol template and read local files from the scanner host even when the operator has not enabled file templates. The issue affects CLI users running workflows with -w and SDK integrations that accept end-user workflows while relying on the default file-access restriction. This issue is fixed in version 3.10.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
projectdiscovery nuclei >= 3.0.0, < 3.10.0 -

II. Public POCs for CVE-2026-76804

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III. Intelligence Information for CVE-2026-76804

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Patches & Fixes for CVE-2026-76804 (2)

Proof of Concept for CVE-2026-76804 (2)

Same Patch Batch · projectdiscovery · 2026-09-22 · 4 CVEs total

CVE-2026-76805 5.3 MEDIUM Nuclei: Environment Variable Disclosure via Response-Derived Data in DAST/Fuzz Mode
CVE-2026-76803 5.3 MEDIUM Nuclei: Local File Read via MySQL Client Sandbox Bypass
CVE-2026-76802 4.7 MEDIUM Nuclei: Arbitrary Command Execution via DAST Code Signature Bypass

IV. Related Vulnerabilities

Same product: nuclei
Same vendor: projectdiscovery
Same weakness: CWE-284

V. Comments for CVE-2026-76804

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