Threats Tagged 'cve-2026-74798'
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Threats Tagged 'cve-2026-74798'
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CVE-2026-74798: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in siyuan-note siyuanCVE-2026-74798 0 SiYuan kernel before v3.7.4 contains a path traversal vulnerability in the database_clean MCP tool. The tool performs only an empty-string check on the id parameter before passing it to RemoveUnusedAttributeView (kernel/model/attribute_view.go), which builds a filesystem path via filepath.Join without validating that id matches SiYuan's node-ID format. An authenticated MCP client can supply path traversal sequences in id to cause the kernel to copy an arbitrary file readable by the process into SiYuan's history directory (arbitrary file read) and then delete the original file (arbitrary file deletion). The corresponding HTTP API handler was hardened in GHSA-7hm9-v7vf-7g4w, but this MCP caller was not. Join the discussion | CVE Database V5 | 08/17/2026, 12:32:21 UTC Added: 08/17/2026, 11:26:57 UTC |
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