Werkzeug safe_join() allows Windows special device names

Werkzeug's safejoin function allows Windows device names as filenames when they have an empty ADS marker on NTFS. This was previously reported as https://github.com/pallets/werkzeug/security/advisories/GHSA-hgf8-39gv-g3f2, but the added filtering failed to account for the fact Windows allows...

GHSA-G6X2-HCCM-HH4M Werkzeug safe_join() allows Windows special device names

Werkzeug's safejoin function allows Windows device names as filenames when they have an empty ADS marker on NTFS. This was previously reported as https://github.com/pallets/werkzeug/security/advisories/GHSA-hgf8-39gv-g3f2, but the added filtering failed to account for the fact Windows allows...

Linux Distros Unpatched Vulnerability : CVE-2026-102598

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Werkzeug is a comprehensive WSGI web application library. Prior to 3.1.9, the safejoin function used by sendfromdirectory can allow a NUL: special-device path...

CVE-2026-102598 Werkzeug safe_join() allows Windows special device names

Werkzeug is a comprehensive WSGI web application library. Prior to 3.1.9, the safejoin function used by sendfromdirectory can allow a NUL: special-device path because safejoin checks the Windows device name without first removing an empty NTFS ADS marker. The trigger is that an application runs o...

CVE-2026-102598 Werkzeug safe_join() allows Windows special device names

Werkzeug is a comprehensive WSGI web application library. Prior to 3.1.9, the safejoin function used by sendfromdirectory can allow a NUL: special-device path because safejoin checks the Windows device name without first removing an empty NTFS ADS marker. The trigger is that an application runs o...

CVE-2026-102598 Werkzeug safe_join() allows Windows special device names

Werkzeug is a comprehensive WSGI web application library. Prior to 3.1.9, the safejoin function used by sendfromdirectory can allow a NUL: special-device path because safejoin checks the Windows device name without first removing an empty NTFS ADS marker. The trigger is that an application runs o...

PT-2026-102634

Name of the Vulnerable Software and Affected Versions Werkzeug versions prior to 3.1.9 Description The safe join function used by send from directory fails to remove empty NTFS Alternate Data Stream ADS markers before checking Windows device names. On Windows systems using NTFS, if an application...

PT-2026-109115

Werkzeug is a comprehensive WSGI web application library. Prior to 3.1.9, the safe join function used by send from directory can allow a NUL: special-device path because safe join checks the Windows device name without first removing an empty NTFS ADS marker. The trigger is that an application ru...

EUVD-2026-1425

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

Werkzeug safe_join() allows Windows special device names

Werkzeug's safejoin function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. sendfromdirectory uses safejoin to safely serve files at user-specified paths under a director...

EUVD-2011-3227

Malware in sbrugna...

EUVD-2024-3267

Malicious code in bioql PyPI...

CVE-2024-51756

The cap-std project is organized around the eponymous cap-std crate, and develops libraries to make it easy to write capability-based code. cap-std's filesystem sandbox implementation on Windows blocks access to special device filenames such as "COM1", "COM2", "LPT0", "LPT1", and so on, however i...

CVE-2024-51745

Wasmtime is a fast and secure runtime for WebAssembly. Wasmtime's filesystem sandbox implementation on Windows blocks access to special device filenames such as "COM1", "COM2", "LPT0", "LPT1", and so on, however it did not block access to the special device filenames which use superscript digits,...

CVE-2024-51756

The cap-std project is organized around the eponymous cap-std crate, and develops libraries to make it easy to write capability-based code. cap-std's filesystem sandbox implementation on Windows blocks access to special device filenames such as "COM1", "COM2", "LPT0", "LPT1", and so on, however i...

CVE-2024-51756 cap-std doesn't fully sandbox all the Windows device filenames

The cap-std project is organized around the eponymous cap-std crate, and develops libraries to make it easy to write capability-based code. cap-std's filesystem sandbox implementation on Windows blocks access to special device filenames such as "COM1", "COM2", "LPT0", "LPT1", and so on, however i...

CVE-2024-51756 cap-std doesn't fully sandbox all the Windows device filenames

The cap-std project is organized around the eponymous cap-std crate, and develops libraries to make it easy to write capability-based code. cap-std's filesystem sandbox implementation on Windows blocks access to special device filenames such as "COM1", "COM2", "LPT0", "LPT1", and so on, however i...

CVE-2024-51756

The CVE affects cap-std’s Windows filesystem sandbox, where access to special device filenames with superscript digits (e.g., COM¹, LPT⁰) was not blocked, allowing untrusted paths to bypass the sandbox and reach peripheral devices or network-shared resources mapped to those devices. Root cause: t...

CVE-2024-51745 Wasmtime doesn't fully sandbox all the Windows device filenames

Wasmtime is a fast and secure runtime for WebAssembly. Wasmtime's filesystem sandbox implementation on Windows blocks access to special device filenames such as "COM1", "COM2", "LPT0", "LPT1", and so on, however it did not block access to the special device filenames which use superscript digits,...

Bytecode Alliance Wasmtime 安全漏洞

Bytecode Alliance Wasmtime is a standalone WebAssembly and WASI-only wasm optimization software open-sourced by Bytecode Alliance. A security vulnerability exists in Bytecode Alliance Wasmtime that stems from a file system sandbox implementation on Windows that does not block access to special...