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CVE-2026-88938

knowns through 0.33.0 Path Traversal via code.find MCP tool

CVSS 4.0 7.1 HIGHCVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-88938

Published

knowns through 0.33.0 fails to confine the path argument of the code.find MCP tool to the project root, allowing AI agent sessions to read source files anywhere on the host. Attackers can supply absolute paths or relative traversal sequences to the path argument and retrieve full file contents from outside the intended project directory.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-88938

Published

knowns

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "knowns-dev",
                    "product": "knowns",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/knowns",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "0.33.0"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON