CVE-2026-27625— Stirling-PDF Zip Slip: Arbitrary File Write via Path Traversal in Markdown-to-PDF ZIP Extraction
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I. Basic Information for CVE-2026-27625
Vulnerability Information
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Vulnerability Title
Stirling-PDF Zip Slip: Arbitrary File Write via Path Traversal in Markdown-to-PDF ZIP Extraction
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Stirling-PDF 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Stirling-PDF是Stirling Tools开源的一个使用 Docker 的强大、本地托管的基于 Web 的 PDF 操作工具。 Stirling-PDF 2.5.2之前版本存在安全漏洞，该漏洞源于/api/v1/convert/markdown/pdf端点缺少路径检查，可能导致任意文件写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Stirling-Tools | Stirling-PDF | < 2.5.2 | - |
II. Public POCs for CVE-2026-27625
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: Stirling-PDF
- CVE-2026-33436
Stirling-PDF: Reflected XSS through crafted filename in file - CVE-2026-34071
Stirling-PDF has Stored Cross Site Scripting (XSS) via EML-t - CVE-2026-33438
Stirling-PDF vulnerable to DoS via add-watermark - CVE-2025-55161
Stirling-PDF SSRF vulnerability on /api/v1/convert/markdown/ - CVE-2025-55150
Stirling-PDF SSRF vulnerability on /api/v1/convert/html/pdf
Same vendor: Stirling-Tools
- CVE-2026-33436
Stirling-PDF: Reflected XSS through crafted filename in file - CVE-2026-34071
Stirling-PDF has Stored Cross Site Scripting (XSS) via EML-t - CVE-2026-33438
Stirling-PDF vulnerable to DoS via add-watermark - CVE-2025-55161
Stirling-PDF SSRF vulnerability on /api/v1/convert/markdown/ - CVE-2025-55150
Stirling-PDF SSRF vulnerability on /api/v1/convert/html/pdf
Same weakness: CWE-22
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npitre cramfs-tools Directory cramfsck.c do_directory path t - CVE-2022-50956
WordPress Plugin amministrazione-aperta 3.7.3 Local File Rea - CVE-2026-8215
Industrial Application Software IAS Canias ERP RMI iasReques - CVE-2026-42605
AzuraCast: Path Traversal in `currentDirectory` Parameter En - CVE-2026-42574
apko dirFS has a symlink-following path traversal that allow
V. Comments for CVE-2026-27625
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