GO-2026-5159 File Browser: Cross-user unauthorized share-link deletion via unbounded prefix match in DeleteWithPathPrefix in github.com/filebrowser/filebrowser

File Browser: Cross-user unauthorized share-link deletion via unbounded prefix match in DeleteWithPathPrefix in github.com/filebrowser/filebrowser...

CVE-2026-56774 Kanboard - Cross-User Deletion of Persistent Login Sessions via Unvalidated Session ID

Kanboard through 1.2.52, fixed in commit 928c68a, UserViewController::removeSession fails to validate the session id parameter before passing it to RememberMeSessionModel::remove, allowing authenticated users to delete other users' Remember Me sessions. Attackers can enumerate sequential session...

CVE-2026-56774 Kanboard - Cross-User Deletion of Persistent Login Sessions via Unvalidated Session ID

Kanboard through 1.2.52, fixed in commit 928c68a, UserViewController::removeSession fails to validate the session id parameter before passing it to RememberMeSessionModel::remove, allowing authenticated users to delete other users' Remember Me sessions. Attackers can enumerate sequential session...

CVE-2026-56774 Kanboard - Cross-User Deletion of Persistent Login Sessions via Unvalidated Session ID

Kanboard through 1.2.52, fixed in commit 928c68a, UserViewController::removeSession fails to validate the session id parameter before passing it to RememberMeSessionModel::remove, allowing authenticated users to delete other users' Remember Me sessions. Attackers can enumerate sequential session...

CVE-2026-56774

What is affected: Kanboard up to version 1.2.52. Root cause: UserViewController::removeSession does not validate the session id before calling RememberMeSessionModel::remove. Impact: Authenticated users can enumerate sequential session IDs to mass-invalidate persistent login sessions (including a...

CVE-2026-54097

Summary of CVE-2026-54097 (File Browser) : A low-privileged authenticated user with create/delete permissions within their own scope could trigger deletion of other users’ share links by performing a DELETE on a file whose logical path is a byte-prefix of another user’s share.Link.Path. The backe...

CVE-2026-54097 File Browser: Cross-user unauthorized share-link deletion via unbounded prefix match in DeleteWithPathPrefix

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, a low-privileged authenticated user of filebrowser with create + delete permissions in their own isolated scope can silently destroy share-link...

CVE-2026-54097 File Browser: Cross-user unauthorized share-link deletion via unbounded prefix match in DeleteWithPathPrefix

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, a low-privileged authenticated user of filebrowser with create + delete permissions in their own isolated scope can silently destroy share-link...

CVE-2026-54029 LibreChat: IDOR in Message Deletion — Incomplete Fix for CVE-2024-41703 Leaves deleteMessages() Without User Filter

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the DELETE /api/messages/:conversationId/:messageId endpoint allows any authenticated user to delete any other user's messages. The validateMessageReq middleware only validates that the conversationId...

CVE-2026-57532

Malicious HTML content contained in the layout specification of a PDF ticket or badge layout was executed when the PDF editor is opened in the browser. This could allow one backend user to inject JavaScript into the browser context of another backend user. Due to requirements of the PDF rendering...

PT-2026-52493

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the DELETE /api/messages/:conversationId/:messageId endpoint allows any authenticated user to delete any other user's messages. The validateMessageReq middleware only validates that the conversationId...

GHSA-7FQ5-7WR8-RJWJ OliveTin has a Concurrent Template Parsing Race Condition which Leads to Cross-Request Command Contamination

Summary OliveTin's template engine uses a single shared text/template.Template instance tpl package-level variable in service/internal/tpl/templates.go across all goroutines. Every action execution calls tpl.Parsesource followed by t.Execute on this shared instance with no synchronization. When t...

Security Bulletin: Unauthenticated Cross-User MCP Resource Access and Tool Execution via Streamable Transport Authorization Bypass

Summary An improper authorization vulnerability in Streamable MCP transport endpoint /api/v1/mcp/project/projectid/streamable allows unauthenticated attackers to bypass project ownership controls and execute Model Context Protocol MCP operations against OAuth-authenticated projects owned by other...

CVE-2026-55255

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, an Insecure Direct Object Reference IDOR vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in...

CVE-2026-54009

CVE-2026-54009 affects Open WebUI prior to 0.9.6. The vulnerability arises in the image_url handling path: convert_url_images_to_base64 calls get_image_base64_from_url without a user context, and get_image_base64_from_url uses Files.get_file_by_id (no ownership check) to retrieve a file by ID. Th...

CVE-2026-54009 Open WebUI: Cross-user file disclosure via /api/chat/completions image_url field

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the...

CVE-2026-54009 Open WebUI: Cross-user file disclosure via /api/chat/completions image_url field

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the...

CVE-2026-54010 Open WebUI: Forged chat-file link allows cross-user file read and deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets an authenticated user attach arbitrary fileid values to their own chat message without checking whether they own or can read those files. If the attacker then shares...

CVE-2026-54010

CVE-2026-54010 affects Open WebUI prior to version 0.9.6. An authenticated user could attach arbitrary file_id values to their own chat messages without ownership/read checks, and then leverage a forged chat-file link to access or delete the victim’s file via shared-chat authorization. The root c...

CVE-2026-54010 Open WebUI: Forged chat-file link allows cross-user file read and deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets an authenticated user attach arbitrary fileid values to their own chat message without checking whether they own or can read those files. If the attacker then shares...