python-dotenv: Symlink following in set_key allows arbitrary file overwrite via cross-device rename fallback

Summary setkey and unsetkey in python-dotenv follow symbolic links when rewriting .env files, allowing a local attacker to overwrite arbitrary files via a crafted symlink when a cross-device rename fallback is triggered. Details The rewrite context manager in dotenv/main.py is used by both setkey...

PYSEC-2026-2270

python-dotenv reads key-value pairs from a .env file and can set them as environment variables. Prior to version 1.2.2, setkey and unsetkey in python-dotenv follow symbolic links when rewriting .env files, allowing a local attacker to overwrite arbitrary files via a crafted symlink when a...

CVE-2026-28684

python-dotenv reads key-value pairs from a .env file and can set them as environment variables. Prior to version 1.2.2, setkey and unsetkey in python-dotenv follow symbolic links when rewriting .env files, allowing a local attacker to overwrite arbitrary files via a crafted symlink when a...

CVE-2026-28684 python-dotenv: Symlink following in set_key allows arbitrary file overwrite via cross-device rename fallback

python-dotenv reads key-value pairs from a .env file and can set them as environment variables. Prior to version 1.2.2, setkey and unsetkey in python-dotenv follow symbolic links when rewriting .env files, allowing a local attacker to overwrite arbitrary files via a crafted symlink when a...

CVE-2026-28684

CVE-2026-28684 (python-dotenv) : The issue affects python-dotenv where the functions set_key() and unset_key() follow symbolic links when rewriting the .env file. This behavior enables a local attacker to overwrite arbitrary files via a crafted symlink during a cross-device rename fallback. Impac...

CVE-2026-5958

When sed is invoked with both -i in-place edit and --follow-symlinks, the function opennextfile performs two separate, non-atomic filesystem operations on the same path: 1. resolves symlink to its target and stores the resolved path for determining when output is written, 2. opens the original...

CVE-2026-28684: Improper Link Resolution Before File Access

python-dotenv reads key-value pairs from a .env file and can set them as environment variables. Prior to version 1.2.2, setkey and unsetkey in python-dotenv follow symbolic links when rewriting .env files, allowing a local attacker to overwrite arbitrary files via a crafted symlink when a...

CVE-2026-5958: Time-of-check Time-of-use (TOCTOU) Race Condition

When sed is invoked with both -i in-place edit and --follow-symlinks, the function opennextfile performs two separate, non-atomic filesystem operations on the same path: 1. resolves symlink to its target and stores the resolved path for determining when output is written, 2. opens the original...

PT-2026-33758

Name of the Vulnerable Software and Affected Versions gnu sed versions prior to 4.10 Description A race condition exists when the software is invoked with both -i in-place edit and --follow-symlinks. The function open next file performs two separate, non-atomic filesystem operations on the same...

DEBIAN-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...

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...

EUVD-2026-23642

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...

CVE-2026-40491: Improper Limitation of a Pathname to a Restricted Directory

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...

EUVD-2026-22965

A vulnerability in the CLI of Cisco ThousandEyes Enterprise Agent could allow an authenticated, local attacker with low privileges to overwrite arbitrary files on the local system of an affected device. This vulnerability is due to improper access controls on files that are on the local file syst...

CVE-2026-20161

A vulnerability in the CLI of Cisco ThousandEyes Enterprise Agent could allow an authenticated, local attacker with low privileges to overwrite arbitrary files on the local system of an affected device. This vulnerability is due to improper access controls on files that are on the local file syst...

CVE-2026-20161 Cisco ThousandEyes Enterprise Agent Arbitrary File Overwrite Vulnerability

A vulnerability in the CLI of Cisco ThousandEyes Enterprise Agent could allow an authenticated, local attacker with low privileges to overwrite arbitrary files on the local system of an affected device. This vulnerability is due to improper access controls on files that are on the local file syst...

CVE-2026-20161

CVE-2026-20161 — Cisco ThousandEyes Enterprise Agent : A vulnerability in the CLI could allow an authenticated, low-privilege local attacker to overwrite arbitrary files on the local system by placing a symbolic link in a specific location. The root cause is improper access controls on local file...

Cisco ThousandEyes Enterprise Agent Arbitrary File Overwrite Vulnerability

A vulnerability in the CLI of Cisco ThousandEyes Enterprise Agent could allow an authenticated, local attacker with low privileges to overwrite arbitrary files on the local system of an affected device. This vulnerability is due to improper access controls on files that are on the local file syst...

CVE-2026-20161: Improper Link Resolution Before File Access

A vulnerability in the CLI of Cisco ThousandEyes Enterprise Agent could allow an authenticated, local attacker with low privileges to overwrite arbitrary files on the local system of an affected device. This vulnerability is due to improper access controls on files that are on the local file...

PT-2026-33220

Name of the Vulnerable Software and Affected Versions gdown versions prior to 5.2.2 Description A Path Traversal issue exists within the extractall function in the gdown/extractall.py file. The software fails to sanitize or validate the filenames of members within ZIP or TAR archives during...