CVE-2026-106443
Published:October 06, 2026
Updated:October 09, 2026
WeasyPrint helps web developers to create PDF documents. Prior to 70.0, the image-loading path in weasyprint/images.py passes fetched image bytes from HTML img URLs, CSS image values, SVG image references, and data URIs to Pillow's generic image dispatcher without excluding EPS or PostScript formats. On hosts with Ghostscript installed, Pillow EpsImagePlugin invokes the interpreter for attacker-controlled PostScript, which can produce interpreter-permitted effects and can lead to remote code execution when the installed Ghostscript version has a usable sandbox bypass. Hosts without Ghostscript do not reach this rasterization path. This issue is fixed in version 70.0.
Affected Packages
weasyprint (CONDA):
Affected version(s) >=52.1 <70.0Fix Suggestion:
Update to version 70.0https://github.com/Kozea/WeasyPrint.git (GITHUB):
Affected version(s) >=v52 <v70.0Fix Suggestion:
Update to version v70.0weasyprint (PYTHON):
Affected version(s) >=52 <70.0Fix Suggestion:
Update to version 70.0weasyprint (PYTHON):
Affected version(s) >=0.1 <70.0Fix Suggestion:
Update to version 70.0Related Resources (6)
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Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Input Validation
EPSS
Base Score:
0.69