CVE-2026-44729 Twenty: Stored Cross-Site Scripting via Unsanitized File Serving (Missing Content-Type/Content-Disposition Headers)

Twenty is an open source CRM. In 1.18.0 and earlier, the file serving endpoints in Twenty CRM at /files/ and /file/:fileFolder/:id serve uploaded files using fileStream.piperes without setting any Content-Type, Content-Disposition, or X-Content-Type-Options response headers. This allows an...

CVE-2026-44729 Twenty: Stored Cross-Site Scripting via Unsanitized File Serving (Missing Content-Type/Content-Disposition Headers)

Twenty is an open source CRM. In 1.18.0 and earlier, the file serving endpoints in Twenty CRM at /files/ and /file/:fileFolder/:id serve uploaded files using fileStream.piperes without setting any Content-Type, Content-Disposition, or X-Content-Type-Options response headers. This allows an...

CVE-2026-44729

Twenty is an open source CRM. In 1.18.0 and earlier, the file serving endpoints in Twenty CRM at /files/ and /file/:fileFolder/:id serve uploaded files using fileStream.piperes without setting any Content-Type, Content-Disposition, or X-Content-Type-Options response headers. This allows an...

CVE-2026-44259 efw4.X: Stored XSS via previewServlet

efw4.X is an Enterprise Framework for Web. Prior to 4.08.010, the previewServlet serves files with their detected MIME type based on file extension, without any content sanitization or security headers. Files with .html, .htm, or .svg extensions are served as text/html or image/svg+xml...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the digestToPath function. An attacker can access or modify files outside the intended directory by supplying crafted input to the digest parameter. Details A Directory Traversal attack also known as path travers...

CVE-2026-34826

A flaw was found in Rack. A remote attacker can exploit this by sending a specially crafted HTTP Range header containing numerous small, overlapping byte ranges. This can cause disproportionate consumption of CPU, memory, I/O, and bandwidth resources. The result is a Denial of Service DoS conditi...

Rack's multipart byte range processing allows denial of service via excessive overlapping ranges

Summary Rack::Utils.getbyteranges parses the HTTP Range header without limiting the number of individual byte ranges. Although the existing fix for CVE-2024-26141 rejects ranges whose total byte coverage exceeds the file size, it does not restrict the count of ranges. An attacker can supply many...

GHSA-X8CG-FQ8G-MXFX Rack's multipart byte range processing allows denial of service via excessive overlapping ranges

Summary Rack::Utils.getbyteranges parses the HTTP Range header without limiting the number of individual byte ranges. Although the existing fix for CVE-2024-26141 rejects ranges whose total byte coverage exceeds the file size, it does not restrict the count of ranges. An attacker can supply many...

GHSA-Q4QF-9J86-F5MH Rack:: Static header_rules bypass via URL-encoded paths

Summary Rack::Staticapplicablerules evaluates several headerrules types against the raw URL-encoded PATHINFO, while the underlying file-serving path is decoded before the file is served. As a result, a request for a URL-encoded variant of a static path can serve the same file without the headers...

PT-2026-29815

Name of the Vulnerable Software and Affected Versions Rack versions prior to 2.2.23, 3.1.21, and 3.2.6 Description The Rack::Utils.get byte ranges function parses the HTTP Range header without limiting the number of individual byte ranges. While a previous fix for CVE-2024-26141 prevents ranges...

Rack's multipart byte range processing allows denial of service via excessive overlapping ranges

Summary Rack::Utils.getbyteranges parses the HTTP Range header without limiting the number of individual byte ranges. Although the existing fix for CVE-2024-26141 rejects ranges whose total byte coverage exceeds the file size, it does not restrict the count of ranges. An attacker can supply many...

Rack:: Static header_rules bypass via URL-encoded paths

Summary Rack::Staticapplicablerules evaluates several headerrules types against the raw URL-encoded PATHINFO, while the underlying file-serving path is decoded before the file is served. As a result, a request for a URL-encoded variant of a static path can serve the same file without the headers...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal through a discrepancy in path normalization between protocol handlers and internal routing. An attacker can bypass folder-level permissions or escape the boundaries of a configured virtual folder by crafting specific...

Directory Traversal

Overview std/os is a Go standard library package std/os Affected versions of this package are vulnerable to Directory Traversal. Go Vulnerability Report:On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file...

CVE-2026-29087 @hono/node-server: Authorization bypass for protected static paths via encoded slashes in Serve Static Middleware

@hono/node-server allows running the Hono application on Node.js. Prior to version 1.19.10, when using @hono/node-server's static file serving together with route-based middleware protections e.g. protecting /admin/, inconsistent URL decoding can allow protected static resources to be accessed...

Directory Traversal

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Directory Traversal via the static file serving API. An attacker can access files outside the intended directory by placing symbolic links within the root directory and requesting those...

CVE-2026-27199 Werkzeug safe_join() allows Windows special device names

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...

NocoDB Vulnerable to Stored Cross-Site Scripting via SVG upload

Summary A stored Cross-site Scripting XSS vulnerability exists in NocoDB’s attachment handling mechanism. Authenticated users can upload malicious SVG files containing embedded JavaScript, which are later rendered inline and executed in the browsers of other users who view the attachment. Because...

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...