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...

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...

Zapscape

KVM エスケープ三部作 ITScape CVE‑2026‑46316 | Januscape CVE‑2026‑53359 | Zapscape CVE‑2026‑64561 ---|---|--- Zapscape: KVM/x86 におけるゲストからホストへのエスケープ 概要 この文書は、Hyunwoo Kim @v4bel によって発見され、報告された Zapscape CVE-2026-64561 脆弱性について説明します。これは KVM/x86 環境において、ゲストがホストへエスケープし、カーネル root 権限でホスト上でコマンドを実行できるようにする KVM...

ITScape

ITScape: KVM/arm64におけるゲストからホストへの脱出 概要 このドキュメントは、Hyunwoo Kim @v4bel によって報告され、パッチが当てられた ITScape CVE-2026-46316 脆弱性について説明します。これは、KVM/arm64環境においてゲストがホストへ脱出し、ホスト上でカーネル（root）権限でコマンドを実行できるようにするKVM脱出の脆弱性です。公知の限りでは、これはKVM/arm64を対象とした初のゲストからホストへの脱出エクスプロイト研究です。 ITScapeは、KVM/arm64のvGIC-ITS Interrupt...

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 ゲストからホストへのエスケープ追跡サイト Januscape パッチステータストラッカーのソース: Linux カーネルにおける KVM/x86 のゲストからホストへのエスケープに対する修正を、どのディストリビューションがリリースしたかを記録する単一ページのサイトです。 正確な情報の所在 このバグに関するすべて — CVE ID、影響を受けるバージョンと修正済みバージョン、上流の修正コミット、発見・開示のクレジット、および現時点のディストリビューション別パッチステータス — は、この README ではなくトラッカーページに属します:...

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 ゲストからホストへのエスケープ追跡サイト ITScape パッチステータストラッカーのソースです。Linux カーネルの KVM/arm64 ゲストからホストへのエスケープに対する修正を、どのディストリビューションがリリースしたかを記録するシングルページサイトです。 事実はどこにあるか バグに関するすべての情報（CVE ID、影響を受けるバージョンと修正済みバージョン、上流の修正コミット、発見と開示のクレジット、ディストリビューションごとの最終的なパッチステータス）は、この README ではなくトラッカーページにあります。 表示:...

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,...

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...

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 (a system container and virtual machine manager) prior to version 7.3.0 is vulnerable to a project restriction bypass during instance migration. When migrating an instance to another cluster member, user-supplied configuration overrides—including security-critical keys such as security.priv...

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...

EUVD-2026-63979

Incus is a system container and virtual machine manager. Prior to version 7.2.0, a specially crafted image or instance backup can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Version 7.2.0 patches the issue...

CVE-2026-62940: Missing Authorization

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-2026-48749: External Control of File Name or Path

Incus is a system container and virtual machine manager. Prior to version 7.2.0, a specially crafted image can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Version 7.2.0 fixes the issue...

CVE-2026-72863: Improper Privilege Management

Dokploy is a free, self-hostable Platform as a Service PaaS. Prior to 0.29.13, Dokploy's WebSocket handlers in-app terminals and log streamers authenticate the session but never authorize it. They establish who the user is via validateRequest and then proceed without consulting the role/permissio...