CVE-2026-52886

Path Traversal: startswith Prefix Check Bypass Notepad++ — Arbitrary File Read viasession.xml backupFilePath Traversal Advisory GHSA: GHSA-rqfm-pw34-r7j6 CVE: CVE-2026-52886 Severity: Moderate Affected: v8.9.6.4 Patched: v8.9.7 Patch Commit: 7e66f36 Affected File: PowerEditor/src/Notepadplus.cpp...

CVE-2026-25890-FileBrowser-Access-Control-Bypass

CVE-2026-25890 - FileBrowser Access Control Bypass Unauthenticated users cannot exploit this — requires valid low-privileged credentials that are restricted from the target path. Path-based authorization bypass in FileBrowser ≤ v2.57.0 using multiple leading slashes //private instead of /private ...

Astra Linux – Vulnerability in Ruby-Rack

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Static used a simple string prefix check to determine whether a request should be treated as a static file. When configured with URL prefixes like "/css", it matched any request path that began with th...

GHSA-8WQC-V2Q8-VFF2 @Mockoon/commons-server: Path traversal in templated `filePath` lets a request escape the served directory (prefix-only base check)

Summary A FILE response whose filePath embeds request data e.g. "/srv/public/queryParam 'name'", the documented way to let the client pick a file is confined by getSafeFilePath with resolvedPath.startsWithstaticBaseDir. That prefix test has no path-separator boundary, so a ../-escaped path whose...

EUVD-2026-70213

Astro: Authorization bypass from missing path-segment boundary check when stripping the configured base...

SUSE CVE-2026-50568

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.25.0, SanitizeFilePath in pkg/utils/utils.go validated that a path stayed under a safe directory by calling strings.HasPrefixpath,...

GHSA-PPX3-28RW-8FPF utcp-gql SSRF: CVE-2026-44661 fix not applied to the GraphQL and WebSocket plugins

Summary The fix for CVE-2026-44661 commit 5b16e43 added the ensuresecureurl / issecureurl helpers and wired them into the three HTTP-family plugins, but it did not reach the GraphQL or WebSocket plugins. The GraphQL plugin utcp-gql still uses the startswith prefix check that the fix explicitly...

CVE-2026-48796

CefSharp provides .NET bindings for the Chromium Embedded Framework for Windows Forms and Windows Presentation Foundation applications. Prior to version 148.0.90, CefSharp/SchemeHandler/FolderSchemeHandlerFactory.cs used filePath.StartsWithrootFolder, StringComparison.OrdinalIgnoreCase to decide...

EUVD-2026-62186

CefSharp provides .NET bindings for the Chromium Embedded Framework for Windows Forms and Windows Presentation Foundation applications. Prior to version 148.0.90, CefSharp/SchemeHandler/FolderSchemeHandlerFactory.cs used filePath.StartsWithrootFolder, StringComparison.OrdinalIgnoreCase to decide...

SUSE CVE-2026-18636

The Velociraptor gRPC API has a VFSGetBuffer endpoint which allows reading files from the datastore. To prevent users from reading sensitive files or accessing other orgs, the requested path is prefix checked against a list of denied prefixes. This prefix check can be bypassed allowing a user to...

PT-2026-73436

SeaweedFS is a distributed storage system. Prior to 4.24, the weed/server/filer server handlers.go allowed prefixes authorization check used strings.HasPrefix on raw path strings, so a filer JWT scoped to /tenant1 also authorized sibling paths such as /tenant1234, /tenant1-old, and /tenant1backup...

Insecure Trusted-Package Validation

Spring for Apache Pulsar is vulnerable to an insecure trusted-package validation. The vulnerability is due to JsonPulsarHeaderMapper using a prefix-based check for trusted packages and treating an empty trusted-packages configuration as trusting all packages, which allows an attacker to potential...

CVE-2026-72921

SeaweedFS is a distributed storage system. Prior to 4.24, the weed/server/filerserverhandlers.go allowedprefixes authorization check used strings.HasPrefix on raw path strings, so a filer JWT scoped to /tenant1 also authorized sibling paths such as /tenant1234, /tenant1-old, and /tenant1backup,...

CVE-2026-18636: Authentication Bypass Using an Alternate Path or Channel

The Velociraptor gRPC API has a VFSGetBuffer endpoint which allows reading files from the datastore. To prevent users from reading sensitive files or accessing other orgs, the requested path is prefix checked against a list of denied prefixes. This prefix check can be bypassed allowing a user to...

CVE-2026-18203

A flaw was found in the group policy evaluation logic of Keycloak, an identity and access management solution. When a group policy is set to extend permissions to child groups, the system incorrectly uses a simple text-based prefix check to verify group membership. This allows a user who belongs ...

CVE-2026-18203 Keycloak-services: keycloak-services: group policy extendchildren matches sibling group path prefixes

A flaw was found in the group policy evaluation logic of Keycloak, an identity and access management solution. When a group policy is set to extend permissions to child groups, the system incorrectly uses a simple text-based prefix check to verify group membership. This allows a user who belongs ...

CVE-2026-18203 Keycloak-services: keycloak-services: group policy extendchildren matches sibling group path prefixes

A flaw was found in the group policy evaluation logic of Keycloak, an identity and access management solution. When a group policy is set to extend permissions to child groups, the system incorrectly uses a simple text-based prefix check to verify group membership. This allows a user who belongs ...

CVE-2026-18203

A flaw was found in the group policy evaluation logic of Keycloak, an identity and access management solution. When a group policy is set to extend permissions to child groups, the system incorrectly uses a simple text-based prefix check to verify group membership. This allows a user who belongs ...

CVE-2026-18203: Incorrect Authorization

A flaw was found in the group policy evaluation logic of Keycloak, an identity and access management solution. When a group policy is set to extend permissions to child groups, the system incorrectly uses a simple text-based prefix check to verify group membership. This allows a user who belongs ...

PT-2026-66722

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the group policy evaluation logic of Keycloak. When a group policy is configured to extend permissions to child groups, the system employs a simple text-based prefix check t...