PT-2026-44492

Name of the Vulnerable Software and Affected Versions Portainer CE affected versions not specified Description Insecure default settings grant regular non-administrative users privileges that allow access to the host filesystem and host-level code execution. An authenticated user with endpoint...

ALSA-2026:21757 Important: flatpak security update

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Security Fixes: flatpak: Flatpak: Arbitrary code execution via crafted symlinks in sandbox-expose options CVE-2026-34078 flatpak: Flatpak: Arbitrary file deletion on host via improper cache file...

SUSE CVE-2024-5154

A flaw was found in cri-o. A malicious container can create a symbolic link to arbitrary files on the host via directory traversal “../“. This flaw allows the container to read and write to arbitrary files on the host system...

Boxlite: Path Traversal Vulnerability Leads to Arbitrary File Write on the Host

Summary Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and run OCI containers within them. Boxlite allows users to specify the OCI image used by containers in the sandbox. However, when processing tar entries in OCI images, Boxlite does not account for...

GHSA-F396-4RP4-7V2J Boxlite: Path Traversal Vulnerability Leads to Arbitrary File Write on the Host

Summary Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and run OCI containers within them. Boxlite allows users to specify the OCI image used by containers in the sandbox. However, when processing tar entries in OCI images, Boxlite does not account for...

BoxLite: Permission Bypass Allows Modification of Read-Only Files

Summary Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and launch OCI containers within them to run untrusted code. One of the core security features claimed by Boxlite is the ability to mount host directories in read-only mode readonly=True into the V...

Astra Linux – Vulnerability in docker.io-app

BuildKit is a toolkit for converting source code into build artifacts in an efficient, expressive, and repeatable manner. Two malicious build steps running in parallel, which share the same cache mounts for subpaths, could cause a race condition that allows files from the host system to be...

Astra Linux – Vulnerability in runc-app

Runc is a CLI tool for spawning and running containers according to the OCI specification. Runc versions 1.1.13 and earlier, as well as 1.2.0-rc2 and earlier, can be exploited by creating empty files or directories in arbitrary locations within the host filesystem. This is achieved by sharing a...

Astra Linux – Vulnerability in docker.io

Moby is an open-source project created by Docker to enable software containerization. A bug was discovered in Moby Docker Engine where attempting to copy files using docker cp into a specially crafted container can result in changes to Unix file permissions for existing files in the host’s...

Astra Linux – Vulnerability in Containerd

Containerd is a container runtime. A bug was discovered in containerd versions prior to 1.4.8 and 1.5.4, where pulling and extracting a specially crafted container image could result in changes to Unix file permissions for existing files in the host’s filesystem. Changes to file permissions could...

Astra Linux – Vulnerability in Containerd

Containerd is a container runtime that is available as a daemon for Linux and Windows. A bug was discovered in Containerd prior to versions 1.6.1, 1.5.10, and 1.14.12. In these versions, containers launched through Containerd’s CRI implementation on Linux, with a specially crafted image...

Amazon Linux 2023 : xdg-desktop-portal, xdg-desktop-portal-devel (ALAS2023-2026-1669)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1669 advisory. Flatpak xdg-desktop-portal before 1.20.4 and 1.21.x before 1.21.1 allows any Flatpak app to trash any file in the host context via a symlink attack on gfiletrash. CVE-2026-40354 Tenable has extracted t...

podman: Podman kube play command may overwrite host files

There's a vulnerability in podman where an attacker may use the kube play command to overwrite host files when the kube file container a Secrete or a ConfigMap volume mount and such volume contains a symbolic link to a host file path. In a successful attack, the attacker can only control the targ...

UNIX Symbolic Link (Symlink) Following

Overview Affected versions of this package are vulnerable to UNIX Symbolic Link Symlink Following during docker cp mount setup before subsequent mount syscall. An attacker can overwrite arbitrary files on the host or cause denial of service by exploiting a race condition where a symlink is create...

GHSA-RG2X-37C3-W2RH Docker: Race condition in docker cp allows bind mount redirection to host path

Summary A race condition during docker cp mount setup allows a malicious container to redirect a bind mount target to an arbitrary host path, potentially overwriting host files or causing denial of service. Details When copying files into a container, the daemon sets up a temporary filesystem vie...

Docker: Race condition in docker cp allows creation of arbitrary empty files on the host via symlink swap

Summary A race condition during docker cp mount setup allows a malicious container to create empty files or directories at arbitrary absolute paths on the host filesystem. This advisory covers the race during mountpoint creation. The related race during the subsequent mount syscall is tracked in...

GHSA-VP62-88P7-QQF5 Docker: Race condition in docker cp allows creation of arbitrary empty files on the host via symlink swap

Summary A race condition during docker cp mount setup allows a malicious container to create empty files or directories at arbitrary absolute paths on the host filesystem. This advisory covers the race during mountpoint creation. The related race during the subsequent mount syscall is tracked in...

PT-2026-41767

Name of the Vulnerable Software and Affected Versions Docker affected versions not specified Description A race condition occurs during the mount setup of the docker cp command. When copying files into a container, the daemon creates a temporary filesystem view by bind-mounting volumes. A process...

PT-2026-42210

Name of the Vulnerable Software and Affected Versions Boxlite versions prior to 0.9.0 Description Boxlite is a sandbox service that allows users to create lightweight virtual machines and run OCI containers. The software fails to properly validate symlink targets when extracting OCI image layer...

Fedora 43 : yelp (2026-7c3b91a2bc)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-7c3b91a2bc advisory. Yelp 49.1, fixing: Flatpak applications are able to exfiltrate host files due to yelp's CSP being too permissive Tenable has extracted the preceding...