CVE-2026-11940

CVE-2026-11940 concerns tarfile.extractall() in Python’s tarfile handling where a crafted archive can bypass the filter for data/tar and cause a symlink outside the destination directory to be created by abusing a hardlink referencing a deeper symlink. The extraction fallback validates the symlin...

Symlink Attack

Overview py7zr is a Pure python 7-zip library Affected versions of this package are vulnerable to Symlink Attack in the extractall method. An attacker can overwrite arbitrary files on the host system by crafting malicious archives containing symbolic link chains that escape the intended extractio...

PT-2026-51047

Name of the Vulnerable Software and Affected Versions py7zr version 1.1.0 Description An arbitrary file write issue exists when using the extractall function to extract an archive. The software fails to properly restrict the targets of symbolic links, allowing crafted malicious symbolic link chai...

BIT-PYTHON-MIN-2026-7774 tarfile.data_filter path traversal bypass allows writing outside the extraction directory

tarfile.datafilter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall to write files outside the...

ALPINE-CVE-2026-7774

tarfile.datafilter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall to write files outside the...

AZL-89472 CVE-2026-7774 affecting package python3 for versions less than 3.12.9-13

tarfile.datafilter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall to write files outside the...

CVE-2026-7774

tarfile.datafilter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall to write files outside the...

CVE-2026-7774 tarfile.data_filter path traversal bypass allows writing outside the extraction directory

tarfile.datafilter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall to write files outside the...

Python 安全漏洞

Python is an open-source, object-oriented programming language developed by the Python Foundation. This language features extensibility, support for modules and packages, and compatibility with multiple platforms. There are security vulnerabilities in Python, where the tarfile.datafilter can be...

PT-2026-41317

Name of the Vulnerable Software and Affected Versions Microsoft APM versions prior to 0.13.0 Description Microsoft APM contains a Windows-specific archive extraction boundary failure affecting users on Python 3.10 and 3.11 runtimes. When the apm install command is provided with a local .tar.gz fi...

GHSA-9Q28-GHCR-C4X3 PraisonAI's symlink-extraction bypass of `_safe_extractall` writes outside `dest_dir`

Summary The safeextractall helper that all recipe pull, recipe publish, and recipe unpack flows route through validates each archive member's name for absolute paths, .. segments, and resolved-path escape — but does not validate member.linkname, does not reject symlink/hardlink members, and calls...

PraisonAI's symlink-extraction bypass of `_safe_extractall` writes outside `dest_dir`

Summary The safeextractall helper that all recipe pull, recipe publish, and recipe unpack flows route through validates each archive member's name for absolute paths, .. segments, and resolved-path escape — but does not validate member.linkname, does not reject symlink/hardlink members, and calls...

Directory Traversal

Overview PraisonAI is a PraisonAI is an AI Agents Framework with Self Reflection. PraisonAI application combines PraisonAI Agents, AutoGen, and CrewAI into a low-code solution for building and managing multi-agent LLM systems, focusing on simplicity, customisation, and efficient human-agent...

CVE-2026-44340 PraisonAI: Symlink-extraction bypass of `_safe_extractall` writes outside `dest_dir`

PraisonAI is a multi-agent teams system. Prior to version 4.6.37, the safeextractall helper that all recipe pull, recipe publish, and recipe unpack flows route through validates each archive member's name for absolute paths, .. segments, and resolved-path escape — but does not validate...

Linux Distros Unpatched Vulnerability : CVE-2026-41140

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Poetry is a dependency manager for Python. Prior to 2.3.4, the extractall function in src/poetry/utils/helpers.py:410-426 extracts sdist tarballs without path...

CVE-2026-41140

A flaw was found in Poetry, a dependency manager for Python. This vulnerability allows a remote attacker to perform a path traversal attack. By crafting a malicious software package, the extractall function in Poetry can be tricked into writing files to unintended locations on the system. This...

AZL-84035 CVE-2026-41140 affecting package poetry for versions less than 1.8.5-2

Poetry is a dependency manager for Python. Prior to 2.3.4, the extractall function in src/poetry/utils/helpers.py:410-426 extracts sdist tarballs without path traversal protection on Python versions where tarfile.datafilter is unavailable. Considering only Python versions which are still supporte...

EUVD-2026-25578

Poetry is a dependency manager for Python. Prior to 2.3.4, the extractall function in src/poetry/utils/helpers.py:410-426 extracts sdist tarballs without path traversal protection on Python versions where tarfile.datafilter is unavailable. Considering only Python versions which are still supporte...

Directory Traversal

Overview poetry is a Python dependency management and packaging made easy. Affected versions of this package are vulnerable to Directory Traversal via the extractall function in src/poetry/utils/helpers.py that extracts sdist tarballs without path traversal protection on Python versions where...

CVE-2026-40491

gdown is a Google Drive public file/folder downloader. Versions prior to 5.2.2 are vulnerable to a Path Traversal attack within the extractall functionality. When extracting a maliciously crafted ZIP or TAR archive, the library fails to sanitize or validate the filenames of the archive members...