CVE-2026-18508 Tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite

A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary...

HashiCorp Consul Template 0.42.0 Path Redirection File Overwrite / Information Disclosure

This repository holds details relating to a HashiCorp Consul Template version 0.42.0 path redirection file overwrite vulnerability. HashiCorp Consul Template versions 0.42.0 and earlier contain a path resolution flaw in the writeToFile template helper where operator-supplied output paths are open...

EUVD-2026-51388

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the WOPI PUTRELATIVE handler passes X-WOPI-SuggestedTarget to URI.JoinRaw as a path rather than a filename, allowing slash and dot-dot segments to escape the source file directory and create or conditionally overwrite...

SUSE CVE-2026-56390

GNU Bison improperly handles grammar-defined output paths. Grammar directives such as %output and %header allow specifying file paths, which are accepted without restriction and override caller-supplied output options. When processing attacker-supplied grammar, this behavior allows directing...

vim security update

8.2.2637-26.0.1.el98.13 - Remove upstream references Orabug: 31197557 2:8.2.2637-26.13 - RHEL-203985 CVE-2026-59858 vim: arbitrary Ex command execution in C omni-completion - RHEL-201197 CVE-2026-59856 vim: potential command execution in PHP omni-completion 2:8.2.2637-26.12 - RHEL-191367...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack via the zipx.Unzip process. An attacker can overwrite arbitrary files on macOS APFS by crafting a ZIP archive that exploits Unicode normalization collisions and symlink following, allowing the attacker to control file...

CVE-2026-13723 Develar's electron-builder allows arbitrary file overwrite

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.,...

CVE-2026-13723 Develar's electron-builder allows arbitrary file overwrite

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.,...

CVE-2026-13723

Develar’s app-builder zipx.Unzip in macOS APFS is vulnerable to arbitrary file overwrite via Unicode normalization collision combined with unsafe symlink following. The root cause is lack of canonical normalization before path validation/writes, allowing a crafted ZIP with a symlink named ss (poi...

CVE-2026-42306

A flaw was found in the Moby container framework. A race condition occurs during the docker cp mount setup, which a malicious container can exploit. This vulnerability allows the container to redirect a bind mount target to an arbitrary path on the host system. Consequently, an attacker could...

EUVD-2026-50305

Joomla Extension - joomlacontenteditor.net - Creation of hidden files and unintended file overwrite via rename function in Joomla Content Editor JCE 2.20.2 - Improper input validation in the file rename functionality allowed an authenticated user with file management permissions to rename files t...

CVE-2026-65891 Joomla Extension - joomlacontenteditor.net - Creation of hidden files and unintended file overwrite via rename function in Joomla Content Editor (JCE) < 2.9.99.10

Joomla Extension - joomlacontenteditor.net - Creation of hidden files and unintended file overwrite via rename function in Joomla Content Editor JCE 2.20.2 - Improper input validation in the file rename functionality allowed an authenticated user with file management permissions to rename files t...

CVE-2026-65891

Joomla Extension - joomlacontenteditor.net - Creation of hidden files and unintended file overwrite via rename function in Joomla Content Editor JCE 2.20.2 - Improper input validation in the file rename functionality allowed an authenticated user with file management permissions to rename files t...

CVE-2026-65891

Affected software: Joomla Extension - joomlacontenteditor.net, Joomla Content Editor (JCE) prior to 2.20.2. Root cause: improper input validation in the file rename functionality, allowing an authenticated user with file-management permissions to rename files to invalid names, resulting in hidden...

AZL-94136 CVE-2026-56390 affecting package bison for versions less than 3.8.2-2

GNU Bison improperly handles grammar‑defined output paths. Grammar directives such as %output and %header allow specifying file paths, which are accepted without restriction and override caller‑supplied output options. When processing attacker-supplied grammar, this behavior allows directing...

CVE-2026-56390

GNU Bison improperly handles grammar‑defined output paths. Grammar directives such as %output and %header allow specifying file paths, which are accepted without restriction and override caller‑supplied output options. When processing attacker-supplied grammar, this behavior allows directing...

CVE-2026-56390 Arbitrary Output Location Change in GNU Bison

GNU Bison improperly handles grammar‑defined output paths. Grammar directives such as %output and %header allow specifying file paths, which are accepted without restriction and override caller‑supplied output options. When processing attacker-supplied grammar, this behavior allows directing...

CVE-2026-56390

GNU Bison improperly handles grammar‑defined output paths. Grammar directives such as %output and %header allow specifying file paths, which are accepted without restriction and override caller‑supplied output options. When processing attacker-supplied grammar, this behavior allows directing...

PT-2026-65778

GNU Bison improperly handles grammar‑defined output paths. Grammar directives such as %output and %header allow specifying file paths, which are accepted without restriction and override caller‑supplied output options. When processing attacker-supplied grammar, this behavior allows directing...

Arbitrary File Overwrite in Develar app-builder (zipx.Unzip) via Symlink Following on macOS (APFS)

Overview A vulnerability in the zipx.Unzip extraction routine of Develar’s app-builder allows an attacker to overwrite arbitrary files on macOS using Apple File System APFS. The issue arises from a combination of Unicode normalization collisions and unsafe symlink-following behavior. APFS treats...