CVE-2025-66034-htb-ctf

CVE-2025-66034-htb-ctf VariaType Variable Font Generator Exploit This repository contains a specialized exploit for the VariaType machine on Hack The Box. The exploit leverages a vulnerability in how the fontTools library or the web application handles .designspace XML files and metadata...

POC-CVE-2025-66034

fontvarlib.py — CVE-2025-66034 fontTools varLib — Arbitrary File Write + XML Injection → Remote Code Execution Table of Contents Overview Vulnerability Details Attack Chain Requirements Installation Configuration Usage How It Works Vulnerable Code Pre-Exploitation Checklist...

varlib-cve-2025-66034

fontTools varLib CVE-2025-66034 Exploit This repo doesn't introduce a new vulnerability. This is a Proof-of-concept exploit for CVE-2025-66034 affecting the fontTools varLib variable font generation pipeline. The vulnerability allows attackers to control the output filename inside a crafted...

CVE-2025-66034

CVE-2025-66034 — fontTools varLib Arbitrary File Write Vulnerability fontTools is a Python library for manipulating font files. Its varLib module processes .designspace files — an XML format that describes how multiple font masters should be interpolated to produce a variable font. Two weaknesses...

CVE-2025-66034

CVE-2025-66034 — fontTools varLib Arbitrary File Write → RCE PoC exploit for an Arbitrary File Write + XML Injection vulnerability infontTools.varLib Tested on HackTheBox — VarIaType Vulnerability fontTools.varLib processes .designspace XML files to build variable fonts. Two weaknesses combine to...

Linux Distros Unpatched Vulnerability : CVE-2026-19694

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - TTX Logger file parser crash in 4.6.0 to 4.6.7 allows denial of service CVE-2026-19694 Note that Nessus relies on the presence of the package as reported by the...

PYSEC-2026-1389 fontTools is Vulnerable to Arbitrary File Write and XML injection in fontTools.varLib

Summary The fonttools varLib or python3 -m fontTools.varLib script has an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed. The vulnerability affects the main code path of fontTools.varLib, used by the fonttools varLib CLI and...

PYSEC-2026-1388 fonttools XML External Entity Injection (XXE) Vulnerability

Summary As of fonttools=4.28.2 the subsetting module has a XML External Entity Injection XXE vulnerability which allows an attacker to resolve arbitrary entities when a candidate font OT-SVG fonts, which contains a SVG table, is parsed. This allows attackers to include arbitrary files from the...

Arbitrary Code Execution

Overview fonttools is a Tools to manipulate font files Affected versions of this package are vulnerable to Arbitrary Code Execution due to the parseBlendList function's usage of built-in Python's eval function when parsing TTX font data. An attacker can execute arbitrary scripts by supplying a...

Exploit for XML Injection (aka Blind XPath Injection) in Fonttools

CVE-2025-66034 — fontTools varLib Arbitrary File Write → RCE...

Advisory ROSA-SA-2026-3220

Software: fonttools 4.49.0 WASP: ROSA-CHROME unaffected versions = fonttools-4.49.0-2 affected versions fonttools-4.49.0-2 CVE-ID: CVE-2025-66034 BDU-ID: None CVE-Crit: MEDIUM CVE-DESC.: Arbitrary file write vulnerability in fontTools varLib allows a remote attacker to execute arbitrary code when...

Exploit for XML Injection (aka Blind XPath Injection) in Fonttools

fontvarlib.py — CVE-2025-66034 fontTools varLib — Arbi...

Exploit for XML Injection (aka Blind XPath Injection) in Fonttools

CVE-2025-66034-Poc-to-Get-RCE-for-HTB-VariaType Just run the...

Security Bulletin: IBM Maximo Application Suite - Visual Inspection Component uses fontTools dependency which is vulnerable to CVE-2025-66034.

Summary IBM Maximo Application Suite - Visual Inspection Component uses fontTools dependency which is vulnerable to CVE-2025-66034. This bulletin contains information regarding the vulnerability and its remediation. Vulnerability Details CVEID:CVE-2025-66034 DESCRIPTION: fontTools is a library fo...

Exploit for XML Injection (aka Blind XPath Injection) in Fonttools

No d...

Exploit for XML Injection (aka Blind XPath Injection) in Fonttools

CVE-2025-66034-Poc-to-Get-RCE-for-HTB-VariaType Just run the...

Exploit for XML Injection (aka Blind XPath Injection) in Fonttools

fontTools varLib CVE-2025-66034 Exploit...

Exploit for XML Injection (aka Blind XPath Injection) in Fonttools

No d...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to an XML Injection in fonttools [CVE-2025-66034]

Summary IBM Watson Speech Services Cartridge is vulnerable to an XML Injection in fonttools, an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed CVE-2025-66034. fontTools is used in our service runtimes. This vulnerabilitiy has...

SUSE: Security Advisory (SUSE-SU-2026:20184-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...