{"id":"CVE-2026-82233","revision":"16794af2d678410a9501fb8224e2cb1d","records":[{"revision":"16794af2d678410a9501fb8224e2cb1d","observedAt":"2026-10-25T16:19:10.271+00:00","statement":{"source":"nvd","id":"CVE-2026-82233","aliases":[],"title":"SiYuan before v3.8.1 contains a path traversal vulnerability in the asset.upload MCP tool that accepts arbitrary absolute file paths without workspace boundary validation. Attackers can induce the AI Agent to upload sensitive files such as …","description":"SiYuan before v3.8.1 contains a path traversal vulnerability in the asset.upload MCP tool that accepts arbitrary absolute file paths without workspace boundary validation. Attackers can induce the AI Agent to upload sensitive files such as SSH keys or credentials from outside the workspace into the asset directory through prompt injection.","state":0,"publishedAt":"2026-08-28T12:16:32.953+00:00","modifiedAt":"2026-08-31T19:17:15.907+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1 · disclosure@vulncheck.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","score":5.7,"severity":"MEDIUM"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-p23f-cm6q-2qp8","https://www.vulncheck.com/advisories/siyuan-before-3.8.1-path-traversal-via-asset-upload"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82233","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-22"],"productCriteria":[],"sourceDates":{"published":"2026-08-28T12:16:32.953","lastModified":"2026-08-31T19:17:15.907"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-82233","identifiers":["CVE-2026-82233"]},"retained":false,"historicalAffected":[]}],"coverage":[]}