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CVE-2026-27625

Stirling-PDF Zip Slip: Arbitrary File Write via Path Traversal in Markdown-to-PDF ZIP Extraction PUBLISHED

Description (CNA)

Stirling-PDF is a locally hosted web application that performs various operations on PDF files. In versions prior to 2.5.2, the /api/v1/convert/markdown/pdf endpoint extracts user-supplied ZIP entries without path checks. Any authenticated user can write files outside the intended temporary working directory, leading to arbitrary file write with the privileges of the Stirling-PDF process user (stirlingpdfuser). This can overwrite writable files and compromise data integrity, with further impact depending on writable paths. The issue was fixed in version 2.5.2.

Affected (CNA)

Vendor / productVersions
Stirling-Tools / Stirling-PDFaffected < 2.5.2

CWE

CWE-22, CWE-23

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.