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.

Affected Version(s)

Stirling-PDF < 1.1.0

References

https://github.com/Stirling-Tools/Stirling-PDF/security/a...
x_refsource_CONFIRM
https://github.com/Stirling-Tools/Stirling-PDF/commit/7d6...
x_refsource_MISC

EPSS Score

11% chance of being exploited in the next 30 days.

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

.