CVE-2025-55150— Stirling-PDF SSRF vulnerability on /api/v1/convert/html/pdf
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I. Basic Information for CVE-2025-55150
Vulnerability Information
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Vulnerability Title
Stirling-PDF SSRF vulnerability on /api/v1/convert/html/pdf
Source: NVD (National Vulnerability Database)
Vulnerability Description
Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to version 1.1.0, when using the /api/v1/convert/html/pdf endpoint to convert HTML to PDF, the backend calls a third-party tool to process it and includes a sanitizer for security sanitization which can be bypassed and result in SSRF. This issue has been patched in version 1.1.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
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HTML转PDF功能中的清理器可被绕过，可能导致服务端请求伪造。
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-2025-55150
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Stirling-PDF < 1.1.0 contains a server side request forgery caused by bypassing the sanitizer in the /api/v1/convert/html/pdf endpoint when processing HTML to PDF conversion, letting attackers perform SSRF, exploit requires local access. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-55150.yaml | POC Details |
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Same Patch Batch · Stirling-Tools · 2025-08-11 · 3 CVEs total
| CVE-2025-55151 | 8.6 HIGH | Stirling-PDF SSRF vulnerability on /api/v1/convert/file/pdf |
| CVE-2025-55161 | 8.6 HIGH | Stirling-PDF SSRF vulnerability on /api/v1/convert/markdown/pdf |
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-2026-27625
Stirling-PDF Zip Slip: Arbitrary File Write via Path Travers - CVE-2025-55161
Stirling-PDF SSRF vulnerability on /api/v1/convert/markdown/
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-2026-27625
Stirling-PDF Zip Slip: Arbitrary File Write via Path Travers - CVE-2025-55161
Stirling-PDF SSRF vulnerability on /api/v1/convert/markdown/
Same weakness: CWE-918
- CVE-2026-8193
Akaunting Invoice PDF Rendering dompdf.php server-side reque - CVE-2026-44313
LinkWarden: Server-Side Request Forgery (SSRF) in Link Creat - CVE-2026-42352
pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2025-55150
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