CVE-2026-48784

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, UrlGenerator::doGenerate used strtr dot-segment encoding that skipped every other chained ../ or ./ segment, allowing attacker-controlled route parameters...

fast-uri: fast-uri: Path traversal vulnerability allows bypass of security policies

A flaw was found in fast-uri. A remote attacker could exploit this vulnerability by providing a specially crafted Uniform Resource Locator URL containing percent-encoded path separators and dot segments. Due to incorrect processing, fast-uri would decode these elements before proper normalization...

PT-2026-56549

Name of the Vulnerable Software and Affected Versions Composer versions prior to 2.2.29 Composer versions prior to 2.10.2 Description A flaw in the binary installation flow allows a package bin entry containing .. path segments to resolve outside the package installation directory. This can lead ...

CVE-2026-11720 Path Traversal in googleapis/mcp-toolbox HTTP Tool URL Builder

A path traversal vulnerability exists in the HTTP tool URL builder of googleapis/mcp-toolbox. When constructing downstream API requests, the URL builder substitutes user-controlled pathParams into the configured tool path and parses the resulting string as a relative URL. While it checks that the...

PT-2026-53652

Name of the Vulnerable Software and Affected Versions googleapis/mcp-toolbox affected versions not specified Description A path traversal issue exists in the HTTP tool URL builder. When constructing downstream API requests, the tool substitutes user-controlled pathParams into the configured tool...

Symfony: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization

Description Symfony\Component\Routing\Generator\UrlGenerator::doGenerate percent-encodes . and .. path segments so that the generated URL still resolves to the originating route after RFC 3986 §5.2.4 dot-segment removal which strict RFC-3986 consumers — routers, reverse proxies, HTTP clients —...

GHSA-H5X3-XFC9-M39H Symfony: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization

Description Symfony\Component\Routing\Generator\UrlGenerator::doGenerate percent-encodes . and .. path segments so that the generated URL still resolves to the originating route after RFC 3986 §5.2.4 dot-segment removal which strict RFC-3986 consumers — routers, reverse proxies, HTTP clients —...

WsgiDAV encoded dot segments can escape filesystem share roots

Impact WsgiDAV 4.3.3 can allow a WebDAV request path containing an encoded parent-directory segment to escape the configured filesystem share root in a specific path layout. Patches The issue is fixed with version 4.3.4. Preconditions The practical impact depends on the deployment. The deployment...

GHSA-WXQ4-CC2Q-338Q WsgiDAV encoded dot segments can escape filesystem share roots

Impact WsgiDAV 4.3.3 can allow a WebDAV request path containing an encoded parent-directory segment to escape the configured filesystem share root in a specific path layout. Patches The issue is fixed with version 4.3.4. Preconditions The practical impact depends on the deployment. The deployment...

fast-uri: fast-uri: Path traversal vulnerability allows bypass of security policies

A flaw was found in fast-uri. A remote attacker could exploit this vulnerability by providing a specially crafted Uniform Resource Locator URL containing percent-encoded path separators and dot segments. Due to incorrect processing, fast-uri would decode these elements before proper normalization...

PT-2026-45727

Name of the Vulnerable Software and Affected Versions jupyter-server version 2.17.0 Description A path traversal issue exists due to an incorrect root directory boundary check in the get os path function within jupyter server/services/contents/fileio.py. The check utilizes startswithroot without...

Improper Encoding or Escaping of Output

Overview symfony/symfony is a PHP framework for web applications and a set of reusable PHP components. Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output via the UrlGenerator due to incorrectly encoding chained dot-segments ../ or ./. The legacy...

Path Traversal

Open WebUI is vulnerable to Path Traversal. The vulnerability is due to improper validation and sanitization of uploaded file names derived from HTTP upload requests, which allows an attacker to upload files with crafted dot-segments and traverse outside the intended uploads directory, potentiall...

CVE-2026-44565

CVE-2026-44565 affects Open WebUI prior to 0.6.10. The upload API derives the target path from the original HTTP upload filename without validation, enabling dot-segment path traversal and arbitrary file writes to locations the web server user can access. This is fixed in 0.6.10. Mitigation guida...

CVE-2026-44565 Open WebUI: Open WebUI Arbitrary File Write, Delete via Path Traversal

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.10, when uploading an audio file, the name of the file is derived from the original HTTP upload request and is not validated or sanitized. This allows for users to upload files with nam...

Open WebUI 路径遍历漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.1.124 contained a path traversal vulnerability. This vulnerability occurred when files were attached in messages, where the file names originated from the original...

CVE-2026-42882

CVE-2026-42882 affects oxyno-zeta/s3-proxy (Go). Prior to version 5.0.0, an authentication bypass arises from a mismatch between the auth middleware and bucket handler when parsing resource paths. The auth layer uses the percent-encoded request URI (r.URL.RequestURI()) while the bucket handler bu...

CVE-2026-42882 oxyno-zeta/s3-proxy: Security Issues in Resource Path Matching

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. Prior to 5.0.0, s3-proxy contains an authentication bypass caused by inconsistent URL path interpretation between the authentication middleware and the bucket handler. The authentication middleware evaluates resource path patterns against the...

CVE-2026-42882 oxyno-zeta/s3-proxy: Security Issues in Resource Path Matching

oxyno-zeta/s3-proxy is an aws s3 proxy written in go. Prior to 5.0.0, s3-proxy contains an authentication bypass caused by inconsistent URL path interpretation between the authentication middleware and the bucket handler. The authentication middleware evaluates resource path patterns against the...

NPM: fast-uri vulnerable to path traversal via percent-encoded dot segments

NPM: fast-uri vulnerable to path traversal via percent-encoded dot segments vulnerability discovered by ? in WordPress Npm fast-uri versions = 3.1.0...