CVE-2026-103435

Claude Code is vulnerable to an arbitrary file write due to a time-of-check to time-of-use (TOCTOU) race condition. The software validates that a target file path is within the project working directory during permission checks but re-resolves the path at write time without re-validation. An atta...

CVE-2026-103435 Arbitrary File Write via Write-Time Symlink Following (TOCTOU) in Claude Code

Claude Code validated that a target file path resided within the project working directory at permission-check time, but re-resolved the path at write time without repeating that validation. This time-of-check to time-of-use TOCTOU gap allowed an attacker who could write to the workspace to...

CVE-2026-103435 Arbitrary File Write via Write-Time Symlink Following (TOCTOU) in Claude Code

Claude Code validated that a target file path resided within the project working directory at permission-check time, but re-resolved the path at write time without repeating that validation. This time-of-check to time-of-use TOCTOU gap allowed an attacker who could write to the workspace to...

CVE-2026-103435 Arbitrary File Write via Write-Time Symlink Following (TOCTOU) in Claude Code

Claude Code validated that a target file path resided within the project working directory at permission-check time, but re-resolved the path at write time without repeating that validation. This time-of-check to time-of-use TOCTOU gap allowed an attacker who could write to the workspace to...

CVE-2026-35204

CVE-2026-35204 This repository represents a PoC to a CVE-2026-35204 Description "Helm is a package manager for Charts for Kubernetes. From 4.0.0 to 4.1.3, a specially crafted Helm plugin, when installed or updated, will cause Helm to write the contents of the plugin to an arbitrary filesystem...

CVE-2025-64391

This vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to make the agent write files to arbitrary locations when an administrator installs it...

CVE-2025-64391

This vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to make the agent write files to arbitrary locations when an administrator installs it...

EUVD-2025-211041

This vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to make the agent write files to arbitrary locations when an administrator installs it...

CVE-2025-64391

This vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to make the agent write files to arbitrary locations when an administrator installs it...

CVE-2025-64391

A vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to write arbitrary files as SYSTEM by manipulating mount points and symbolic links during installation. This issue affects Veeam Agent for Microsoft Windows versions 13.0.4.1341 and all earlier version 13 and ...

cve-2025-65099

Proof of Concept for CVE-2025-65099 Further details are provided in the published article. yarnPath Technique A vulnerable environment for yarnPath can be initialized as follows: docker run --rm -v "$PWD":/poc -it --workdir /poc ubuntu bash -c 'apt-get update -qq && DEBIANFRONTEND=noninteractive...

CVE-2026-34990-poc

CVE-2026-34990 CUPS 2.4.16 local privilege escalation via arbitrary file write through CUPSCREATELOCALPRINTER. Vulnerability CUPS allows creating local printers with a device-uri set to a file:// path. Submitting a print job with document-format: application/vnd.cups-raw and compression: gzip...

PT-2026-107500

A path traversal vulnerability exists in the unzip http RemoteZipFile extract functionality of VisiData versions: dev commit 38b21f78. A specially crafted .zip file can lead to arbitrary file write. An attacker can provide a crafted URL to trigger this vulnerability...

PT-2026-107542

Name of the Vulnerable Software and Affected Versions @backstage/plugin-scaffolder-backend-module-confluence-to-markdown versions prior to 0.3.25 Description Improper repository path validation in a scaffolder backend module allows an authenticated user who can execute an affected template and...

CVE-2025-64391: Insecure Operation on Windows Junction / Mount Point

This vulnerability in Veeam Agent for Microsoft Windows allows a low-privileged local user to make the agent write files to arbitrary locations when an administrator installs it...

PT-2026-107501

A path traversal vulnerability exists in the EmailSheet extract parts functionality of VisiData versions: dev commit 38b21f78. A specially crafted .eml file can lead to arbitrary file write. An attacker can provide a malicious file to trigger this vulnerability...

CVE-2026-42532: Improper Limitation of a Pathname to a Restricted Directory

A path traversal vulnerability exists in the EmailSheet extractparts functionality of VisiData versions: dev commit 38b21f78. A specially crafted .eml file can lead to arbitrary file write. An attacker can provide a malicious file to trigger this vulnerability...

CVE-2026-41958: Improper Limitation of a Pathname to a Restricted Directory

A path traversal vulnerability exists in the unziphttp RemoteZipFile extract functionality of VisiData versions: dev commit 38b21f78. A specially crafted .zip file can lead to arbitrary file write. An attacker can provide a crafted URL to trigger this vulnerability...

CVE-2026-106559: Improper Limitation of a Pathname to a Restricted Directory

Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package is affected by improper input validation in confluence to markdown scaffolder module. Insufficient input validation in the Confluence to...

CVE-2026-103870: Improper Limitation of a Pathname to a Restricted Directory

A flaw was found in pulp-rpm when it publishes a distribution tree. Addon and variant ids from .treeinfo are used as directory names. A user who can sync or upload that tree can make the publish task create a new directory outside the task work area and write that tree's repository metadata and...