Nuclei: Local File Read via MySQL Client Sandbox Bypass

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-76803
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-22 17:17:24 UTC
Updated2026-09-26 00:16:35 UTC
DescriptionNuclei is a vulnerability scanner built on a simple YAML-based DSL. From 3.0.0 until 3.10.0, the nuclei/mysql JavaScript library does not enforce the local-file sandbox when a JavaScript template supplies the allowAllFiles MySQL DSN option. An untrusted javascript: template scanning an attacker-controlled MySQL-compatible endpoint can cause the server to issue LOAD DATA LOCAL INFILE requests for arbitrary paths, after which the scanner's MySQL client reads the files and returns their contents to the server even though -allow-local-file-access is disabled. JavaScript templates can run unsigned and without the -code flag on affected versions, and the bypass affects CLI and SDK deployments that accept untrusted templates. This issue is fixed in version 3.10.0.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS: 0.004010000 probability, percentile 0.317940000 (date 2026-09-27)

Problem Types: CWE-284 | CWE-284 CWE-284: Improper Access Control

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Projectdiscovery Nuclei affected >= 3.0.0, < 3.10.0 Not specified

References

ReferenceSourceLinkTags
github.com/projectdiscovery/nuclei/security/advisories/GHSA-xhmx-w2j4-rw3q [email protected] github.com
github.com/projectdiscovery/nuclei/releases/tag/v3.10.0 [email protected] github.com
github.com/projectdiscovery/nuclei/commit/9611926a9a1ca99e8ed554d1b26fbe... [email protected] github.com
github.com/projectdiscovery/nuclei/pull/7473 [email protected] github.com
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