| Title | eiceblue spire-pdf-mcp-server 0.1.1 Path Traversal |
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| Description | spire-pdf-mcp-server advertises PDF_FILES_PATH as the directory for managed PDF files. The server nonetheless resolves user-supplied paths with a helper that explicitly returns absolute paths unchanged and blindly joins relative paths to PDF_FILES_PATH without normalization or containment checks.
As a result, callers can escape the configured PDF directory with payloads such as ../../../../tmp/poc.pdf or /tmp/poc.pdf. Multiple exposed tools then operate on that escaped path, allowing arbitrary PDF creation, arbitrary PDF conversion to attacker-chosen output locations, and arbitrary reads of existing host PDFs that the service account can access. |
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| Source | ⚠️ https://github.com/eiceblue/spire-pdf-mcp-server/issues/1 |
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| User | LittleW (UID 97283) |
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| Submission | 04/12/2026 12:05 (3 months ago) |
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| Moderation | 04/28/2026 15:00 (16 days later) |
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| Status | Accepted |
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| VulDB entry | 359963 [eiceblue spire-pdf-mcp-server 0.1.1 PDF File server.py get_pdf_path filepath path traversal] |
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| Points | 20 |
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