CVE-2025-55150

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

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.

Affected

Stirling-Tools · Stirling-PDF

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 GITHUB

8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

EPSS

1.69% chance of exploitation in the next 30 days, 77th percentile

Nuclei

high · CWE-918

Published

2025-08-11

Updated

2025-08-12

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-55150.yaml

Security advisories

• Stirling-Tools/Stirling-PDF/security/advisories/GHSA-xw8v-9mfm-g2pm
• Stirling-Tools/Stirling-PDF/commit/7d6b70871bad2a3ff810825f7382c49f55293943

References

• CVE Record
• NVD entry