CVE-2025-55161 - CVE House
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Status published High CVE-2025-55161

Stirling-PDF SSRF vulnerability on /api/v1/convert/markdown/pdf

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/markdown/pdf endpoint to convert Markdown 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2025-46568
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CVE-2024-9075
Stirling-Tools Stirling-PDF Markdown-to-PDF cross site scripting
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CVE-2024-52286
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Affected Vendor

Stirling-Tools

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Affected Software

Stirling-PDF
Vulnerable Versions:
< 1.1.0

Timeline

Official Publish: August 11th, 2025
Last Modified: August 12th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Weaknesses (CWE)

CWE-918

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1213 Data from Information Repositories
Collection
T1005 Data from Local System
Collection
T1046 Network Service Discovery
Discovery