SSRF Vulnerability in Stirling-PDF Web Application
CVE-2025-55151

8.6HIGH

Key Information:

Vendor

Stirling-tools

Status
Stirling-PDF
Vendor
CVE Published:
11 August 2025

What is CVE-2025-55151?

The Stirling-PDF web application, responsible for various PDF file operations, has a vulnerability within its 'convert file to pdf' feature. This issue arises from the use of LibreOffice's unoconvert tool for file conversion. Specifically, prior to version 1.1.0, the application is susceptible to server-side request forgery (SSRF) attacks during the conversion process. This could allow an attacker to manipulate requests and access sensitive internal resources. The vulnerability has been addressed in version 1.1.0, emphasizing the importance of keeping applications up to date to mitigate security risks.

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

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-55151 : SSRF Vulnerability in Stirling-PDF Web Application