CVE-2026-71270
SSRF in Stirling-PDF URL->PDF lets servers fetch internal/cloud resources into PDFs.
Is CVE-2026-71270 being exploited?
Not confirmed. CVE-2026-71270 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-71270?
CVE-2026-71270 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-71270?
Not known from our data. No patch reference has been recorded for CVE-2026-71270, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-71270 affect?
CVE-2026-71270 affects Stirling-PDF POST /api/v1/convert/url/pdf endpoint, WeasyPrint subprocess used by Stirling-PDF, Web applications using Stirling-PDF URL-to-PDF conversion. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-71270?
Disable URL-to-PDF, restrict outbound access, add HTML sanitization/SSRF protections, apply vendor patch when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Server-side SSRF: attacker-controlled pages cause WeasyPrint to fetch internal/cloud metadata or internal endpoints and leak contents into generated PDFs.
Immediate action required
- affected<= *
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.