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  4. CVE 2026 119343 stirling pdf ai create pdf from html agent skips
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Back to active CVEs
Medium · CVSS 6.8CVE-2026-119343

Stirling-PDF: AI create-pdf-from-html-agent skips HTML sanitization enabling WeasyPrint SSRF and local file readCVE-2026-119343

Answer in brief

CVE-2026-119343 records a Medium severity (CVSS 6.8) vulnerability in Stirling-PDF: AI create-pdf-from-html-agent skips HTML sanitization enabling WeasyPrint SSRF and local file read. The current sources do not mark it as known exploited. The current feed maps Stirling-Tools/Stirling-PDF (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 30, 2026Updated Oct 30, 2026Source checked Oct 30, 2026First seen by HOL Oct 30, 2026Material review Oct 30, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Stirling-Tools/Stirling-PDF (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Stirling-Tools/Stirling-PDFgeneric<3.0.03.0.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Stirling-Tools/Stirling-PDF.
  2. 2Review the reported fix. Update Stirling-Tools/Stirling-PDF to 3.0.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 30, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 30, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 30, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. Prior to 3.0.0, POST /api/v1/ai/tools/create-pdf-from-html-agent accepts attacker-controlled htmlContent and passes it to WeasyPrint without CustomHtmlSanitizer, unlike the sanitized /api/v1/convert/html/pdf control path. HTTP and HTTPS resource references can make server-side requests to internal or cloud-metadata destinations, while file references can embed local content readable by the Stirling-PDF process into the generated PDF. The endpoint is reachable without credentials when security.enableLogin is false, and the flaw is distinct from earlier Stirling-PDF WeasyPrint vulnerabilities in older conversion paths. This issue is fixed in version 3.0.0.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Stirling-PDF: SVG→PDF local file read (LFI) via SVG-sanitizer and Batik same-origin bypassSame stirling-tools/stirling-pdf package
  • Refitter: Unrestricted OpenAPI references permit build-host SSRF and file inclusionAlso CWE-918

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-73, CWE-918
Source
CVE List V5
Source checked
Oct 30, 2026
References
4 linked sources
Open source record