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CVE-2026-76802

4.7 · MEDIUM

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

Published Sep 22, 2026CWE-78EPSS 0.18%

Overview

CVE-2026-76802 is a medium-severity vulnerability. It was published on September 22, 2026 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, 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 DAST template loading branch does not apply the unsigned code-template signature check before accepting a template that contains both a fuzzing: block and an unsigned code: block. When an operator enables -dast, an untrusted multiprotocol template can place an unsigned code request into the execution queue and run arbitrary shell commands even without -code or a valid cryptographic signature. The issue affects CLI DAST scans and SDK integrations that enable DAST while accepting attacker-supplied templates. 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/1c440e755a97471c56fb0276ee8a8c4132974645GitHubgithub.com/projectdiscovery/nuclei/pull/7472GitHubgithub.com/projectdiscovery/nuclei/releases/tag/v3.10.0GitHubgithub.com/projectdiscovery/nuclei/security/advisories/GHSA-jpf4-98qj-qr67

How CyberStrike helps

Frequently asked questions

What is CVE-2026-76802?

CVE-2026-76802 is a medium-severity vulnerability. It was published on September 22, 2026 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2026-76802?

This vulnerability has a CVSS 3.1 base score of 4.7, 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-2026-76802?

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-2026-76802?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-76802 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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