CVE-2026-27625
High · 8.1CVSS
8.1
EPSS
0.5%
Published
Mar 20, 2026
CISA due date
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The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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