Server-Side Request Forgery in Stirling-PDF Web Application by Stirling Tools
CVE-2025-55150

9.8CRITICAL

Key Information:

Vendor

Stirling-tools

Status
Stirling-PDF
Vendor
CVE Published:
11 August 2025

What is CVE-2025-55150?

The Stirling-PDF web application, designed for PDF file operations, contains a vulnerability that allows attackers to bypass security measures during HTML to PDF conversions via the /api/v1/convert/html/pdf endpoint. Prior to version 1.1.0, the application invokes a third-party tool for processing requests but lacks adequate sanitization controls, leading to potential SSRF attacks. Users are advised to upgrade to the latest version to mitigate this risk.

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Deploy the Patch

Affected Version(s)

Stirling-PDF < 1.1.0

References

https://github.com/Stirling-Tools/Stirling-PDF/security/a...
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https://github.com/Stirling-Tools/Stirling-PDF/commit/7d6...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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