CVE-2026-56767 Maxun < 0.0.42 - Cross-Tenant IDOR in Storage and Webhook API Handlers

Maxun before 0.0.42 contains a cross-tenant insecure direct object reference vulnerability in storage and webhook API handlers that allows authenticated users to access other users' robots and OAuth tokens. Attackers can read plaintext Google and Airtable access tokens, modify, delete, or execute...

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 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...

EUVD-2026-39505

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...

EUVD-2026-39503

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.14, it does not stop the HTTP file handlers from following symbolic links before they open, serve, write, share, or list a file. As a result, a...

keycloak: Keycloak: Unauthorized account access via replayed refresh tokens after cluster restart

A flaw was found in Keycloak. When revokeRefreshToken=true is enabled and persistent session storage is in use, a server restart can reset internal timing mechanisms. This allows a remote attacker, who has previously captured a user's refresh token, to replay that token even after it has been...

keycloak: Keycloak: Unauthorized access to resources via UMA permission ticket bypass

A flaw was found in org.keycloak.authorization. An authenticated user with a granted User-Managed Access UMA permission ticket for one resource can exploit this by using a specific permission request prefix to bypass per-resource access control. This allows the user to gain unauthorized access to...

CVE-2026-55667

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.16, a scoped, non-admin File Browser user holding only the Create permission can delete arbitrary files outside their scope other tenants' data, a...

CVE-2026-54906

A flaw was found in concurrent-ruby, a Ruby library for managing concurrent operations. The Concurrent::ReadWriteLock component contains a synchronization issue where write locks can be released by unauthorized threads. This could allow multiple threads to write concurrently, potentially leading ...

CVE-2026-9799

A flaw was found in org.keycloak.authorization. An authenticated user with a granted User-Managed Access UMA permission ticket for one resource can exploit this by using a specific permission request prefix to bypass per-resource access control. This allows the user to gain unauthorized access to...

CVE-2026-54029

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...

EUVD-2026-39475

A flaw was found in org.keycloak.authorization. An authenticated user with a granted User-Managed Access UMA permission ticket for one resource can exploit this by using a specific permission request prefix to bypass per-resource access control. This allows the user to gain unauthorized access to...

CVE-2026-9799 Keycloak: keycloak: unauthorized access to resources via uma permission ticket bypass

A flaw was found in org.keycloak.authorization. An authenticated user with a granted User-Managed Access UMA permission ticket for one resource can exploit this by using a specific permission request prefix to bypass per-resource access control. This allows the user to gain unauthorized access to...

CVE-2026-9799

Affects Keycloak’s authorization component (org.keycloak.authorization). The vulnerability allows an authenticated user with a granted UMA permission ticket for one resource to bypass per-resource access control by using a specific permission request prefix, granting access to all resources of th...

CVE-2026-9799 Keycloak: keycloak: unauthorized access to resources via uma permission ticket bypass

A flaw was found in org.keycloak.authorization. An authenticated user with a granted User-Managed Access UMA permission ticket for one resource can exploit this by using a specific permission request prefix to bypass per-resource access control. This allows the user to gain unauthorized access to...

CVE-2026-9799

A flaw was found in org.keycloak.authorization. An authenticated user with a granted User-Managed Access UMA permission ticket for one resource can exploit this by using a specific permission request prefix to bypass per-resource access control. This allows the user to gain unauthorized access to...

CVE-2026-9705

Affected software & component: Keycloak – client registration service. Vulnerability: An attacker with a previously issued Registration Access Token (RAT) can re-enable a client that an administrator had disabled. This bypasses security controls and allows the attacker to reset the client’s secre...

EUVD-2026-39472

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...