wasm2c-tableflip

wasm2c サンドボックスエスケープ: ゲストモジュールがホスト上でシェルコマンドを実行する ブログを読む: trustsig.eu/blog wasm2c/wasm-rt-impl-tableops.inc 内の wasmrtallocatefuncreftable は、 table-size をモジュールが宣言した要素数から設定し、calloc の戻り値を無視します。 割り当てが失敗すると、テーブルは data == NULL のまま、宣言された完全な size を持つため、 すべての境界チェックは依然として通過し、table-datai は絶対アドレス i...

CVE-2026-86320

CVE-2026-86320 affects flatpak-builder , a build tool for creating Flatpak applications. When applying patch sources with use-git-am: true, Git hooks are not disabled, allowing an attacker who supplies a malicious source containing a post-applypatch hook to execute arbitrary code on the host duri...

CVE-2026-86320 Flatpak-builder: host code execution via `git am` hook execution in patch source extraction (`use-git-am`)

A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch hook can cause the hook to execute on the host during the build process, resulting in arbitrary...

EUVD-2026-78684

MCP Gateway allows easy and secure running and deployment of MCP servers. From 0.21.0 until 0.42.2, Docker MCP Gateway YAML-unmarshalled the attacker-controlled io.docker.server.metadata OCI image label into the broad catalog.Server structure for direct docker:// references and catalog snapshot...

CVE-2026-55887 MCP Gateway: Argument injection via OCI image label YAML in Docker MCP Gateway

MCP Gateway allows easy and secure running and deployment of MCP servers. From 0.21.0 until 0.42.2, Docker MCP Gateway YAML-unmarshalled the attacker-controlled io.docker.server.metadata OCI image label into the broad catalog.Server structure for direct docker:// references and catalog snapshot...

CVE-2026-55887 MCP Gateway: Argument injection via OCI image label YAML in Docker MCP Gateway

MCP Gateway allows easy and secure running and deployment of MCP servers. From 0.21.0 until 0.42.2, Docker MCP Gateway YAML-unmarshalled the attacker-controlled io.docker.server.metadata OCI image label into the broad catalog.Server structure for direct docker:// references and catalog snapshot...

CVE-2026-55887 MCP Gateway: Argument injection via OCI image label YAML in Docker MCP Gateway

MCP Gateway allows easy and secure running and deployment of MCP servers. From 0.21.0 until 0.42.2, Docker MCP Gateway YAML-unmarshalled the attacker-controlled io.docker.server.metadata OCI image label into the broad catalog.Server structure for direct docker:// references and catalog snapshot...

CVE-2026-77179

CVE-2026-77179 is a CRITICAL (CVSS 4.0: 9.4) vulnerability in Docker Sandboxes on macOS. The virtio-fs host server improperly follows symlinks when reopening an unlinked file from a stored path, allowing a malicious guest to replace a parent directory with a symlink, escape the shared workspace, ...

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-2026-77179: Improper Link Resolution Before File Access

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,...

PT-2026-92018

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,...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. This flaw occurs when dropping packets during a bulk transfer from a SPICE client, due to the packet queue being full. A malicious SPICE client could exploit this flaw to call the free function in...

Astra Linux – Vulnerability in Qemu

A use-after-free vulnerability was discovered in the virtio-net device of QEMU. This vulnerability can occur when the address of the descriptor belongs to the non-direct access region, due to the numbuffers being set after the virtqueue elem has been unmapped. A malicious guest can exploit this...

CVE-2026-90616

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...

EUVD-2026-72520

In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust confirmation before building a Dev Container allowed host-level code execution...

CVE-2026-86504

In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust confirmation before building a Dev Container allowed host-level code execution...

PT-2026-85031

Name of the Vulnerable Software and Affected Versions VMware Workstation versions 25H2 through 26H1 VMware Fusion versions 25H2 through 26H1 Description An integer overflow exists in the VMXNET3 virtual network adapter within the hypervisor. A malicious actor with local administrative privileges...

CVE-2026-55557: Improper Limitation of a Pathname to a Restricted Directory

browse-mcp is a Playwright-based headless-browser MCP server for MCP-capable agents. Prior to 0.8.2, browserdownload writes a fetched response body to joinsavedir, filename without validating the caller-controlled savedir, while browsersavestate and browserloadstate honor a caller-controlled path...

PT-2026-81396

browse-mcp is a Playwright-based headless-browser MCP server for MCP-capable agents. Prior to 0.8.2, browser download writes a fetched response body to joinsave dir, filename without validating the caller-controlled save dir, while browser save state and browser load state honor a caller-controll...

EUVD-2026-64757

A path traversal vulnerability in LXD's instance template processing allows an attacker with container edit permissions, or any user launching a crafted image, to overwrite arbitrary files on the host system as root. When processing target template paths specified in metadata.yaml, LXD validates...