SSRF in Stirlingpdf Stirling_pdf
CVE-2025-55151
Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to version 1.1.0, the "convert file to pdf" functionality (/api/v1/convert/file/pdf) uses LibreOffice's unoconvert tool for conversion, a…
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.004 (28.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.
Affected products
- Stirlingpdf Stirling_pdf
- Stirling-tools Stirling-pdf — versions < 1.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-55151?
- CVE-2025-55151 is a high-severity vulnerability in Stirlingpdf Stirling_pdf, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2025-08-11.
- How severe is CVE-2025-55151?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2025-55151 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.