CVE-2026-102598

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...

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...

CVE-2026-27199

Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safejoin function allows Windows device names as filenames if preceded by other path segments. This was previously reported as GHSA-hgf8-39gv-g3f2, but the added filtering failed to account for the fact that...

CVE-2026-27199

Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safejoin function allows Windows device names as filenames if preceded by other path segments. This was previously reported as GHSA-hgf8-39gv-g3f2, but the added filtering failed to account for the fact that...

CVE-2026-27199

CVE-2026-27199 affects Werkzeug. Versions 3.1.5 and earlier allow Windows device names as filenames when the path includes multiple segments, due to incomplete filtering in the safe_join function used by send_from_directory. When running on Windows, a request ending with a device name can open th...

CVE-2026-27199

Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safejoin function allows Windows device names as filenames if preceded by other path segments. This was previously reported as GHSA-hgf8-39gv-g3f2, but the added filtering failed to account for the fact that...

Werkzeug safe_join() allows Windows special device names

Werkzeug's safejoin function allows Windows device names as filenames if when preceded by other path segments. 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 that safejoin accepts...

PT-2026-21351

Name of the Vulnerable Software and Affected Versions Werkzeug versions 3.1.5 and below Description The safe join function in Werkzeug, a WSGI web application library, improperly handles Windows device names when used as filenames, particularly when preceded by other path segments. Specifically,...

CVE-2025-66221

A flaw was found in Werkzeug. This vulnerability allows a denial of service via path segments with Windows device names. Mitigation Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and...

GHSA-HGF8-39GV-G3F2 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...

CVE-2025-66221

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, 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...

CVE-2025-66221 Werkzeug safe_join() allows Windows special device names

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, 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...

PT-2025-48363

Name of the Vulnerable Software and Affected Versions Werkzeug versions prior to 3.1.4 Description The safe join function in Werkzeug versions prior to 3.1.4 improperly handles path segments containing Windows device names. On Windows systems, special device names like CON and AUX are present in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Cyclic allocation of msgid to avoid reuse. Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed, resulting in a hung task, as shown below: t1 | t2 | t3...

PT-2025-5630 · Hashicorp · Yamux

Name of the Vulnerable Software and Affected Versions: github.com/hashicorp/yamux affected versions not specified Description: The issue concerns a potential denial of service due to timed out writes. When the default values for Session.config.KeepAliveInterval and...

SUSE CVE-2024-41050

In the Linux kernel, the following vulnerability has been resolved: cachefiles: cyclic allocation of msgid to avoid reuse Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed and result in a hung, as shown below: t1 | t2 | t3...

UBUNTU-CVE-2024-41050

In the Linux kernel, the following vulnerability has been resolved: cachefiles: cyclic allocation of msgid to avoid reuse Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed and result in a hung, as shown below: t1 | t2 | t3...

USN-4184-1 linux, linux-aws, linux-azure, linux-gcp, linux-gke-5.0, linux-hwe, linux-kvm, linux-oem-osp1, linux-oracle, linux-raspi2 vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...