GHSA-MF9W-MJ56-HR94 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...

PT-2026-36271

A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-013405)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013405 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug on rename operation of broken directory Syzbot reported that in rename...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010794)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010794 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double brelse in udfrename syzbot reported a warning like below 1: VFS: brelse: Trying...

CVE-2026-6257

Vvveb CMS v1.0.8.2 contains a remote code execution vulnerability in its media management functionality where a missing return statement in the file rename handler allows authenticated attackers to rename files to blocked extensions .php or .htaccess. Attackers can exploit this logic flaw by firs...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack via the setkey and unsetkey functions. An attacker can overwrite arbitrary files by creating a crafted symbolic link that is followed during a cross-device rename fallback. PoC python import os import sys import tempfile...

CVE-2026-6257

Vvveb CMS v1.0.8.2 contains a remote code execution vulnerability in its media management functionality where a missing return statement in the file rename handler allows authenticated attackers to rename files to blocked extensions .php or .htaccess. Attackers can exploit this logic flaw by firs...

CVE-2026-6257

CVE-2026-6257 affects Vvveb CMS v1.0.8. A missing return in the file rename handler in the media management module enables an authenticated user to perform a two-step file-rename: first upload a text file, rename to “.htaccess” to inject PHP MIME-type directives, then rename another file to “.php...

CVE-2026-6257 Vvveb CMS < v1.0.8.2 Remote Code Execution via Media Management

Vvveb CMS v1.0.8.2 contains a remote code execution vulnerability in its media management functionality where a missing return statement in the file rename handler allows authenticated attackers to rename files to blocked extensions .php or .htaccess. Attackers can exploit this logic flaw by firs...

CVE-2026-6257 Vvveb CMS < v1.0.8.2 Remote Code Execution via Media Management

Vvveb CMS v1.0.8.2 contains a remote code execution vulnerability in its media management functionality where a missing return statement in the file rename handler allows authenticated attackers to rename files to blocked extensions .php or .htaccess. Attackers can exploit this logic flaw by firs...

CVE-2026-6257 Vvveb CMS < v1.0.8.2 Remote Code Execution via Media Management

Vvveb CMS v1.0.8.2 contains a remote code execution vulnerability in its media management functionality where a missing return statement in the file rename handler allows authenticated attackers to rename files to blocked extensions .php or .htaccess. Attackers can exploit this logic flaw by firs...

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...

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: 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 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 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-2026-34429 Vvveb < 1.0.8.1 Stored XSS via Media Upload and Rename

Vvveb prior to 1.0.8.1 contains a stored cross-site scripting vulnerability that allows authenticated users with media upload and rename permissions to execute arbitrary JavaScript by bypassing MIME type validation and renaming uploaded files to executable extensions. Attackers can prepend a GIF8...

CVE-2026-34429 Vvveb < 1.0.8.1 Stored XSS via Media Upload and Rename

Vvveb prior to 1.0.8.1 contains a stored cross-site scripting vulnerability that allows authenticated users with media upload and rename permissions to execute arbitrary JavaScript by bypassing MIME type validation and renaming uploaded files to executable extensions. Attackers can prepend a GIF8...

CVE-2026-34429 Vvveb < 1.0.8.1 Stored XSS via Media Upload and Rename

Vvveb prior to 1.0.8.1 contains a stored cross-site scripting vulnerability that allows authenticated users with media upload and rename permissions to execute arbitrary JavaScript by bypassing MIME type validation and renaming uploaded files to executable extensions. Attackers can prepend a GIF8...