Stirling-PDF Server-Side Request Forgery via /api/v1/convert/url/pdf WeasyPrint Subprocess
Published Aug 5, 2026
8.6
HIGHCVSS 3.1
EPSS 0.43%
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).
Affected products
-
- Version 0StatusaffectedConstraints<=*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Stirling-Tools | Stirling-PDF | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Aug 5, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Aug–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00428) | 34.75th | v5 (v2026.06.15) |
| Aug 6, 2026 | 0.31% (0.00313) | 23.65th | v5 (v2026.06.15) |
References (1)
- https://github.com/Stirling-Tools/Stirling-PDF third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/Stirling-Tools/Stirling-PDF | third-party-advisory |
Change history (0)
No recorded changes yet.