EUVD-2026-24963

chmod: --preserve-root bypassed by any path that resolves to root e.g. /../...

SUSE-SU-2026:2724-1 Security update for python-python-dotenv

This update for python-python-dotenv fixes the following issue: - CVE-2026-28684: follow symbolic links when rewriting .env files bsc1262423...

dotnet: .NET: Local file tampering via link following vulnerability

A flaw was found in .NET's System.Formats.Tar library. When extracting a specially crafted TAR archive containing symbolic links, the TarFile.ExtractToDirectory method may incorrectly follow those links and write files outside the intended extraction directory. An attacker could exploit this issu...

GHSA-QRV3-253H-G69C pnpm: Path traversal in configDependencies env lockfile allows symlink creation outside node_modules/.pnpm-config

Summary pnpm accepts package names from the env lockfile configDependencies section and uses those names directly when creating config dependency symlinks under nodemodules/.pnpm-config. A malicious repository can commit a crafted pnpm-lock.yaml whose env-lockfile document contains a...

CVE-2026-23879

A flaw was found in py7zr. An attacker can craft a malicious archive containing symbolic links that, when extracted, can lead to arbitrary file writes outside the intended directory. This vulnerability may allow for remote code execution, privilege escalation, data corruption, or denial of servic...

CVE-2026-23879

py7zr is a Python-based library and utility to support 7zip archive compression, decompression, encryption and decryption. Versions 1.1.2 and below contain an an arbitrary file write vulnerability, which allows symbolic links to be recreated outside the destination directory via crafted malicious...

UBUNTU-CVE-2026-23879

py7zr is a Python-based library and utility to support 7zip archive compression, decompression, encryption and decryption. Versions 1.1.2 and below contain an an arbitrary file write vulnerability, which allows symbolic links to be recreated outside the destination directory via crafted malicious...

CVE-2026-23879

CVE-2026-23879 relates to py7zr, a Python library for 7z archives. Versions ≤1.1.2 contain an arbitrary file write vulnerability in extractall, where crafted symbolic link chains can bypass destination-directory checks and re-create links to arbitrary system paths. This allows writing files via s...

Astra Linux – Vulnerability in glib2.0

A flaw was discovered in glib. An integer overflow during temporary file creation leads to an out-of-bounds memory access, allowing an attacker to potentially perform path traversal or access private temporary file content by creating symbolic links. This vulnerability enables a local attacker to...

dotnet: .NET: Local file tampering via link following vulnerability

A flaw was found in .NET's System.Formats.Tar library. When extracting a specially crafted TAR archive containing symbolic links, the TarFile.ExtractToDirectory method may incorrectly follow those links and write files outside the intended extraction directory. An attacker could exploit this issu...

samba: Missing access check on reparse point operations

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-onl...

golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root

A flaw was found in the internal/syscall/unix package in the Go standard library. If the target of the Root.Chmod function is replaced with a symbolic link during execution, specifically after Root.Chmod checks the target but before acting, the chmod operation will be performed on the file the...

dotnet: .NET: Local file tampering via link following vulnerability

A flaw was found in .NET's System.Formats.Tar library. When extracting a specially crafted TAR archive containing symbolic links, the TarFile.ExtractToDirectory method may incorrectly follow those links and write files outside the intended extraction directory. An attacker could exploit this issu...

dotnet: .NET: Local file tampering via link following vulnerability

A flaw was found in .NET's System.Formats.Tar library. When extracting a specially crafted TAR archive containing symbolic links, the TarFile.ExtractToDirectory method may incorrectly follow those links and write files outside the intended extraction directory. An attacker could exploit this issu...

CVE-2026-55443

LangChain is a framework for building agents and LLM-powered applications. Prior to 1.3.9, several LangChain components that resolve filesystem paths or expand search patterns do not consistently confine the resolved path to the intended root directory. Affected behaviors include: a file-search...

PT-2026-51461

Name of the Vulnerable Software and Affected Versions Budibase versions prior to 3.39.9 Description An issue exists where a workspace-level builder can read any file the server process has access to by uploading a specially crafted PWA zip file. The POST /api/pwa/process-zip endpoint extracts the...

py7zr: Arbitrary File Write Vulnerability

Summary There exists an arbitrary file write vulnerability in py7zr 1.1.0, latest, which allows symbolic links to be recreated outside the destination directory via crafted malicious symbolic link chains. When using extractall to extract an archive, the library restores these symbolic links,...

Astra Linux – Vulnerability in Git

Git is a revision control system. By using a specially crafted repository, Git versions prior to 2.39.2, 2.38.4, 2.37.6, 2.36.5, 2.35.7, 2.34.7, 2.33.7, 2.32.6, 2.31.7, and 2.30.8 could be tricked into using its local clone optimization, even when using a non-local transport. Although Git will...

Astra Linux – Vulnerability in Git

Git is an open-source distributed revision control system. In affected versions of Git, a specially crafted repository containing symbolic links and files processed by clean/smudge filters like Git LFS may cause a just-checked-out script to be executed when cloning to a case-insensitive file syst...

CVE-2026-11853

Debusine is an integrated solution to build, distribute and maintain a Debian-based distribution. Debian source packages .dsc and upload artifacts .changes are manifest files that name the files that make up the artifact. The parser used to read these files in Debusine accepted arbitrary fully...