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CVE-2026-76804

5.5 · MEDIUM

Nuclei is a vulnerability scanner built on a simple YAML-based DSL.

Published Sep 22, 2026CWE-284EPSS 0.17%

Overview

CVE-2026-76804 is a medium-severity vulnerability. It was published on September 22, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/projectdiscovery/nuclei/commit/638be4481d27f1bbf90f971bbf6e3023777f2089GitHubgithub.com/projectdiscovery/nuclei/pull/7489GitHubgithub.com/projectdiscovery/nuclei/releases/tag/v3.10.0GitHubgithub.com/projectdiscovery/nuclei/security/advisories/GHSA-qgw5-7j4f-fg97

How CyberStrike helps

Frequently asked questions

What is CVE-2026-76804?

CVE-2026-76804 is a medium-severity vulnerability. It was published on September 22, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-76804?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-76804?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-76804?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-76804 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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