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CVE-2025-55151— Stirling-PDF SSRF vulnerability on /api/v1/convert/file/pdf

Quick assessment

Affected
Stirling-Tools Stirling-PDF
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 1.1.0之前版本存在代码问题漏洞，该漏洞源于文件转PDF功能中LibreOffice的unoconvert工具存在服务端请求伪造漏洞。

CVSS 8.6 · High EPSS 0.36% · P28

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-55151

Vulnerability Information
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Vulnerability Title
Stirling-PDF SSRF vulnerability on /api/v1/convert/file/pdf
Source: CVE Program / CVE List V5
Vulnerability Description
Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to version 1.1.0, the "convert file to pdf" functionality (/api/v1/convert/file/pdf) uses LibreOffice's unoconvert tool for conversion, and SSRF vulnerabilities exist during the conversion process. This issue has been patched in version 1.1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Stirling-PDF 代码问题漏洞
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 1.1.0之前版本存在代码问题漏洞，该漏洞源于文件转PDF功能中LibreOffice的unoconvert工具存在服务端请求伪造漏洞。
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 < 1.1.0 -

II. Public POCs for CVE-2025-55151

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6902 chars
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III. Intelligence Information for CVE-2025-55151

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Vendor Advisories for CVE-2025-55151 (1)

Same Patch Batch · Stirling-Tools · 2025-08-11 · 3 CVEs total

CVE-2025-55150 8.6 HIGH Stirling-PDF SSRF vulnerability on /api/v1/convert/html/pdf
CVE-2025-55161 8.6 HIGH Stirling-PDF SSRF vulnerability on /api/v1/convert/markdown/pdf

IV. Related Vulnerabilities

Same product: Stirling-PDF
Same vendor: Stirling-Tools
Same weakness: CWE-918

V. Comments for CVE-2025-55151

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