CVE-2026-76804

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.

Overview

State: PUBLISHED
Assigner (CNA): GitHub_M
CVSS severity: MEDIUM
CVSS score: 5.5 / 10
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Effective score: 5.5 / 10 MEDIUM source: CNA overview
CWE(s): CWE-284
Reserved: 2026-08-19
Published: 2026-09-22 16:41 UTC
Last updated: 2026-09-22 16:41 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/76xxx/CVE-2026-76804.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-09-22 17:17:24 UTC
NVD last modified: 2026-09-22 17:17:24 UTC
NVD CVSS v3.1: 5.5 / 10 MEDIUM source: security-advisories@github.com
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Exploitability subscore: 1.8 / 10
Impact subscore: 3.6 / 10

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-84554
Assigner: GitHub_M
Published: Sep 22, 2026, 4:41:46 PM
Updated: Sep 22, 2026, 4:41:46 PM
EUVD base score (CVSS 3.1): 5.5 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EUVD-reported EPSS: 0.0000
Vendors: projectdiscovery
Products: nuclei (3.0.0, < 3.10.0)
Aliases: GHSA-qgw5-7j4f-fg97

ENISA 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.

EUVD references (4)

Affected products (1)

Vendor	Product	Versions	Platforms
projectdiscovery	nuclei	`>= 3.0.0, < 3.10.0` (affected)	—

Vendor references (4)

References embedded in the original CVE record by the assigning CNA.

https://github.com/projectdiscovery/nuclei/security/advisories/GHSA-qgw5-7j4f-fg97 x_refsource_CONFIRM
https://github.com/projectdiscovery/nuclei/pull/7489 x_refsource_MISC
https://github.com/projectdiscovery/nuclei/commit/638be4481d27f1bbf90f971bbf6e3023777f2089 x_refsource_MISC
https://github.com/projectdiscovery/nuclei/releases/tag/v3.10.0 x_refsource_MISC

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (4)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://github.com/projectdiscovery/nuclei/commit/638be4481d27f1bbf90f971bbf6e3023777f2089 security-advisories@github.com
https://github.com/projectdiscovery/nuclei/pull/7489 security-advisories@github.com
https://github.com/projectdiscovery/nuclei/releases/tag/v3.10.0 security-advisories@github.com
https://github.com/projectdiscovery/nuclei/security/advisories/GHSA-qgw5-7j4f-fg97 security-advisories@github.com

Remediations (10)

CVE-2026-76804 - Red Hat Customer Portal

web:access.redhat.com

Description A flaw was found in Nuclei, a vulnerability scanner. An untrusted workflow, which is a set of instructions for the scanner, could bypass a security control designed to restrict file access. This bypass allows the workflow to load templates that read local files from the scanner host, even when file access is explicitly disabled by the operator. This could lead to sensitive ...

2026-09-23 15:44 UTC
CVE-2026-68820 Is in KEV. What BOD 26-04 Requires Now | Qualys

web:blog.qualys.com

Executive Summary CVE - 2026 -68820 is an actively exploited Windows vulnerability listed in CISA's Known Exploited Vulnerabilities (KEV) Catalog, with a remediation deadline as suggested by CISA BOD 26-04. CISA BOD 26-04 introduces risk-based remediation timelines ranging from 3 to 14 days, increasing the pressure on teams to move quickly from patch availability to verified remediation ...

2026-09-23 15:44 UTC
CISA Requires Federal Agencies to Patch Critical Vulnerabilities Within ...

web:cybersecuritynews.com

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued Binding Operational Directive (BOD) 26-04, titled "Prioritizing Security Updates Based on Risk," compelling all Federal Civilian Executive Branch (FCEB) agencies to remediate the most dangerous known exploited vulnerabilities within just three calendar days.

2026-09-23 15:44 UTC
Cisco Advance Notification for Publication of September 16, 2026 ...

web:sec.cloudapps.cisco.com

On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...

2026-09-23 15:44 UTC
Android Security and Update Bulletins | Android Open Source Project

web:source.android.com

This Section contains the available Android Security Bulletins, which provide fixes for possible issues affecting Android devices.

2026-09-23 15:44 UTC
August 2026 CVE Advisory Notification - Security

web:support.servicenow.com

Due to additional analysis provided by the security researcher who discovered CVE - 2026 -6876, we have upgraded the severity rating of CVE - 2026 -6876 from High to Critical. This change affects only the severity

2026-09-23 15:44 UTC
CISA tells agencies to patch smarter, not harder - CSO Online

web:www.csoonline.com

A new CISA directive moves federal agencies beyond severity scores and toward a risk-based patching model that prioritizes real-world exploitation, asset exposure, and attacker impact — a ...

2026-09-23 15:44 UTC
CISA Instructs Federal Agencies to Adopt Risk-Based Approach for ...

web:www.hipaajournal.com

CISA has released a new risk-based vulnerability remediation framework to help vendors assess vulnerabilities and prioritize patching effectively, concentrating their efforts on mitigating vulnerabilities in the most at-risk assets and addressing vulnerabilities that carry the greatest risk of exploitation.

2026-09-23 15:44 UTC
CVE-2026-76804: projectdiscovery nuclei: Nuclei is a ... - Rapid7

web:www.rapid7.com

CVE-2026-76804 : projectdiscovery nuclei: Nuclei is a vulnerability scanner built on a simple YAML-based DSL. View severity, references, and remediation details from Rapid7.

2026-09-23 15:44 UTC
CVE-2026-76804 | Tenable®

web:www.tenable.com

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 ...

2026-09-23 15:44 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-76804.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "nuclei",
          "vendor": "projectdiscovery",
          "versions": [
            {
              "status": "affected",
              "version": ">= 3.0.0, < 3.10.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-22T16:41:46.188Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/projectdiscovery/nuclei/security/advisories/GHSA-qgw5-7j4f-fg97",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/projectdiscovery/nuclei/security/advisories/GHSA-qgw5-7j4f-fg97"
        },
        {
          "name": "https://github.com/projectdiscovery/nuclei/pull/7489",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/projectdiscovery/nuclei/pull/7489"
        },
        {
          "name": "https://github.com/projectdiscovery/nuclei/commit/638be4481d27f1bbf90f971bbf6e3023777f2089",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/projectdiscovery/nuclei/commit/638be4481d27f1bbf90f971bbf6e3023777f2089"
        },
        {
          "name": "https://github.com/projectdiscovery/nuclei/releases/tag/v3.10.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/projectdiscovery/nuclei/releases/tag/v3.10.0"
        }
      ],
      "source": {
        "advisory": "GHSA-qgw5-7j4f-fg97",
        "discovery": "UNKNOWN"
      },
      "title": "Nuclei: Local File Read via Workflow File-Protocol Gate Bypass"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-76804",
    "datePublished": "2026-09-22T16:41:46.188Z",
    "dateReserved": "2026-08-19T19:52:28.212Z",
    "dateUpdated": "2026-09-22T16:41:46.188Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}