CVE-2026-121549 nnn through 5.3 Insecure Temporary File Symlink Overwrite via pdfread and nuke Plugins

nnn through 5.3 contains an insecure temporary file vulnerability in the pdfread and nuke plugins that allows local attackers to overwrite files by exploiting predictable paths in /tmp. Attackers can pre-create a symlink at the name-derived or PID-derived path so the victim's plugin truncates and...

CVE-2026-121549

The nnn utility (versions through 5.3 ) is vulnerable to an insecure temporary file symlink overwrite in its pdfread and nuke plugins. The root cause is the use of predictable paths in the /tmp directory for temporary files. A local attacker can pre-create a symlink at a name-derived or PID-deriv...

NPM: ep_etherpad-lite: Import/export uses Math.random() for temp file paths; predictable paths on shared /tmp enable symlink-based file overwrite

NPM: epetherpad-lite: Import/export uses Math.random for temp file paths; predictable paths on shared /tmp enable symlink-based file overwrite vulnerability discovered by ? in WordPress Npm epetherpad-lite versions = 3.0.0...

Important: abrt security update

The Automatic Bug Reporting Tool ABRT recognizes defects in applications and creates bug reports that help maintainers fix the defects. ABRT uses a plug-in system to extend its functionality. Security Fixes: abrt: TOCTOU race condition in abrt-dbus SetElement allows arbitrary file writes to dump...

EUVD-2026-50423

A vulnerability in the zipx.Unzip extraction routine of Develar's app-builder allows an attacker to overwrite arbitrary files on macOS APFS by exploiting a Unicode Normalization Collision combined with symlink following behavior. APFS treats certain Unicode equivalent filenames as identical e.g.,...

EUVD-2026-24992

install: TOCTOU symlink race unlink-then-create without OEXCL allows arbitrary file overwrite...

PT-2026-53255

Name of the Vulnerable Software and Affected Versions GNU gzip affected versions not specified Description The gzexe utility handles temporary files insecurely. If the mktemp utility is missing from the user's PATH, gzexe generates a temporary file path using only the process ID PID. Because this...

CVE-2026-54056 Kitty has an arbitrary file overwrite via symlink following in `kitten dnd` remote drop staging

Kitty is a cross-platform GPU based terminal. In versions 0.47.0 and 0.47.1, kitten dnd can allow a malicious remote drag-and-drop source to overwrite or truncate arbitrary files writable by the local kitty user. Remote text/uri-list drops are staged in a temporary directory, but on case-sensitiv...

TencentOS Server 4: postgresql (TSSA-2026:0343)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0343 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

OESA-2026-2381 libpq security update

PostgreSQL is a powerful, open source object-relational database system that uses and extends the SQL language combined with many features that safely store and scale the most complicated data workloads. This package provides the essential shared library for any PostgreSQL client program or...

CVE-2026-5958

A Time-of-Check Time-of-Use TOCTOU race condition was found in GNU sed. When the -i in-place and --follow-symlinks options are used together, sed resolves the symlink but reopens the path for writing. An attacker with write access to the directory containing the symlink can swap it between the...

Linux Distros Unpatched Vulnerability : CVE-2026-35364

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A Time-of-Check to Time-of-Use TOCTOU race condition exists in the mv utility of uutils coreutils during cross-device operations. The utility removes the...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-28684

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-39860

Nix is a package manager for Linux and other Unix systems. A bug in the fix for CVE-2024-27297 allowed for arbitrary overwrites of files writable by the Nix process orchestrating the builds typically the Nix daemon running as root in multi-user installations by following symlinks during...

CVE-2026-39860

CVE-2026-39860 affects Nix, via a bug in the fix for CVE-2024-27297 that allowed arbitrary overwrites of files writable by the Nix build orchestrator (typically the root-running Nix daemon in multi-user setups) by following symlinks during fixed-output derivation output registration. Impact is li...

EUVD-2026-8638

An Insecure Temporary File vulnerability in openSUSE sdbootutil allows local users to pre-create a directory to achieve various effects like: gain access to possible private information found in /var/lib/pcrlock.d manipulate the data backed up in /tmp/pcrlock.d.bak, therefore violating the...

CVE-2026-25701

An Insecure Temporary File vulnerability in openSUSE sdbootutil allows local users to pre-create a directory to achieve various effects like: gain access to possible private information found in /var/lib/pcrlock.d manipulate the data backed up in /tmp/pcrlock.d.bak, therefore violating the...

PT-2026-21897

Name of the Vulnerable Software and Affected Versions openSUSE sdbootutil versions prior to 5880246d3a02642dc68f5c8cb474bf63cdb56bca Description An insecure temporary file issue exists in openSUSE sdbootutil. A local user can pre-create a directory, potentially gaining access to private informati...

MiracleLinux 7 : keepalived-1.3.5-16.el7 (AXSA:2019-4318:03)

The remote MiracleLinux 7 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2019-4318:03 advisory. keepalived: Improper pathname validation allows for overwrite of arbitrary filenames via symlinks CVE-2018-19044 Tenable has extracted the preceding...