Januscape

Januscape: Guest-to-Host Escape in KVM/x86 Abstract This document describes the Januscape CVE-2026-53359 vulnerability discovered and reported by Hyunwoo Kim @v4bel. It is a KVM escape vulnerability that lets a guest escape to the host in a KVM/x86 environment. To the best of public knowledge, th...

Zapscape

The KVM Escape Trilogy ITScape CVE‑2026‑46316 | Januscape CVE‑2026‑53359 | Zapscape CVE‑2026‑64561 ---|---|--- Zapscape: Guest-to-Host Escape in KVM/x86 Abstract This document describes the Zapscape CVE-2026-64561 vulnerability discovered and reported by Hyunwoo Kim @v4bel. It is a KVM escape...

ITScape

ITScape: Guest-to-Host Escape in KVM/arm64 Abstract This document describes the ITScape CVE-2026-46316 vulnerability reported and patched by Hyunwoo Kim @v4bel. It is a KVM escape vulnerability that lets a guest escape to the host in a KVM/arm64 environment and run commands on the host with kerne...

Januscape-Hotfix

Januscape Fix Library — CVE-2026-53359 简体中文 Complete fix collection for the CVE-2026-53359 guest-to-host escape vulnerability in the KVM/x86 shadow MMU. From zero-downtime livepatch to kernel upgrade — covers every operational scenario. One-liner Direct curl -sL...

januscape

Januscape — Linux KVM/x86 guest-to-host escape tracking site Source for the Januscape patch-status tracker: a single-page site recording which distributions have shipped a fix for the KVM/x86 guest-to-host escape in the Linux kernel. Where the facts live Everything about the bug — CVE IDs, affect...

CVE-2026-53359

🚨 CVE-2026-53359 — Januscape Linux KVM Shadow Paging Use-After-Free Guest-to-Host Escape Januscape is a Linux Kernel KVM vulnerability caused by a Use-After-Free UAF condition in the x86 Shadow MMU. Under vulnerable configurations, a malicious guest can corrupt host memory, leading to host crashe...

itscape

ITScape — Linux KVM/arm64 guest-to-host escape tracking site Source for the ITScape patch-status tracker: a single-page site recording which distributions have shipped a fix for the KVM/arm64 guest-to-host escape in the Linux kernel. Where the facts live Everything about the bug — CVE IDs, affect...

RWCTF21-VirtualBox-61-escape

RWCTF21-VirtualBox-61-escape 0day VirtualBox 6.1 Escape for RealWorld CTF 2020/2021 Demo What? This is our solution for RealWorld CTF's "Box Escape" challenge from the 2020/2021 quals. Currently a 0day but we'll add the CVE number once there is one. CVE-2021-2119 How does it work? We wrote a...

CVE-2026-115378

A flaw was found in Incus. A privileged attacker within a virtual machine can write arbitrary files to the host system during a recursive file pull operation. By manipulating the guest agent to return duplicate file entries alternating between symbolic links and regular files, the attacker can...

Exploit for CVE-2026-99999

CVE-2026-99999 Working PoC — Setup & Usage Guide ⚠️ This...

Exploit for CVE-2026-93834

CVE-2026-93834 — QEMU 9pfs guest escape tracking site Source...

CVE-2026-77179 Docker Sandboxes guest can write arbitrary macOS host files via a symlink in the virtio-fs stored-path fallback

On macOS, the virtio-fs host server used by Docker Sandboxes improperly follows symlinks when reopening an unlinked file from a stored path. A malicious guest can replace a parent directory with a symlink, escape the shared workspace, and read or modify arbitrary host files as the VMM user,...

CVE-2026-90616: UNIX Symbolic Link (Symlink) Following

In Flatpak before 1.18.1, a malicious sandboxed app can obtain arbitrary read and write access to files on the host, which can be escalated to arbitrary code execution on the host, a different vulnerability than CVE-2026-76925. Flatpak creates a few app data directories e.g., /var/cache, /var/dat...

OESA-2026-3653 kata-containers-go security update

This is core component of Kata Container, to make it work, you need a isulad/docker engine. Security Fixes: A flaw was found in Kata Containers, affecting both its Rust and Go runtimes. An authenticated pod user can exploit this by setting the io.katacontainers.configpath annotation to an arbitra...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: virglrenderer (UTSA-2024-005588)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2024-005588 advisory. A heap-based buffer overflow in the vrendrenderertransferwriteiov function in vrendrenderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial ...

CVE-2026-81495

GHSA-67qw-68v3-36h6: Arbitrary file write on host via path traversal in custom volume import...

PT-2026-82283

Name of the Vulnerable Software and Affected Versions QEMU affected versions not specified Description An out-of-bounds write occurs in the hw/display/vga component during a graphics surface switch while in text-mode. Recommendations At the moment, there is no information about a newer version th...

CVE-2026-62940 Incus has a project restriction bypass via instance migration config override

Incus is a system container and virtual machine manager. Prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides including security-critical keys like security.privileged and raw.lxc are applied without any project restriction enforcemen...

CVE-2026-62940 Incus has a project restriction bypass via instance migration config override

Incus is a system container and virtual machine manager. Prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides including security-critical keys like security.privileged and raw.lxc are applied without any project restriction enforcemen...

CVE-2026-62940 Incus has a project restriction bypass via instance migration config override

Incus is a system container and virtual machine manager. Prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides including security-critical keys like security.privileged and raw.lxc are applied without any project restriction enforcemen...