Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

fontTools is Vulnerable to Arbitrary File Write and XML injection in fontTools.varLib

🗓️ 07 Jul 2026 16:03:11Reported by Python Packaging AdvisoryType 
pypa
 pypa🔗 github.com👁 2 Views

fontTools varLib allows arbitrary file write and labelname injection via designspace, enabling remote code execution.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
GithubExploit		Exploit for XML Injection (aka Blind XPath Injection) in Fonttools
21 Mar 202616:36
–githubexploit
GithubExploit		Exploit for XML Injection (aka Blind XPath Injection) in Fonttools
16 Mar 202610:43
–githubexploit
GithubExploit		Exploit for XML Injection (aka Blind XPath Injection) in Fonttools
28 Mar 202608:04
–githubexploit
GithubExploit		Exploit for XML Injection (aka Blind XPath Injection) in Fonttools
17 Mar 202620:03
–githubexploit
GithubExploit		Exploit for XML Injection (aka Blind XPath Injection) in Fonttools
16 Mar 202622:57
–githubexploit
GithubExploit		Exploit for XML Injection (aka Blind XPath Injection) in Fonttools
15 Mar 202614:16
–githubexploit
GithubExploit		Exploit for XML Injection (aka Blind XPath Injection) in Fonttools
7 Apr 202613:43
–githubexploit
GithubExploit		Exploit for XML Injection (aka Blind XPath Injection) in Fonttools
15 Mar 202614:16
–githubexploit
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Visual Inspection Component uses fontTools dependency which is vulnerable to CVE-2025-66034.
17 Mar 202611:59
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite uses werkzeug-3.1.3,fonttools-4.60.0-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.whl,lodash.clonedeep-4.5.0.tgz,js-yaml-4.1.0.tgz,mdast-util-towhich is vulnerable to multiple CVEs
30 Jan 202605:39
–ibm
Rows per page
Vulners
Node
pypifonttoolsRange4.33.0–4.60.2

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
07 Jul 2026 17:24Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.16.3 - 9.8
EPSS0.00496
SSVC
fontToolsvarLibarbitrary file writelabelname injectiondesignspacepath traversalremote code execution
2