CVE-2026-59216 Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller session_id

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, geteventcall delivered execute:python and execute:tool Socket.IO events to a client-supplied sessionid after checking only that the session was connected, allowing authenticated users who learne...

GHSA-F66Q-9RF6-8795 Flask-Security-Too: WebAuthn reauthentication freshness bypass via cross-user assertion

Summary Flask-Security-Too 5.8.0 and 5.8.1 mark a session as reauthentication-fresh after processing a WebAuthn assertion whose proven credential belongs to a different user than the currently authenticated session user. The check that GHSA-97r5-pg8x-p63p added on the OAuth reauthentication path...

CVE-2026-53729

DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, any authenticated user can download /exportCenter/download/id, delete /exportCenter/delete, retry /exportCenter/retry/id, or generate download links /exportCenter/generateDownloadUri/id for export tasks belonging t...

CVE-2026-53729 DataEase ExportCenter IDOR allows cross-user export task access

DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, any authenticated user can download /exportCenter/download/id, delete /exportCenter/delete, retry /exportCenter/retry/id, or generate download links /exportCenter/generateDownloadUri/id for export tasks belonging t...

CVE-2026-53729

DataEase (open source data visualization/analysis tool) contains an IDOR in the ExportCenter area. Before version 2.10.24, an authenticated user could manipulate the task ID to download, delete, retry, or generate download links for export tasks belonging to other users; additionally, the /export...

CVE-2026-53729 DataEase ExportCenter IDOR allows cross-user export task access

DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, any authenticated user can download /exportCenter/download/id, delete /exportCenter/delete, retry /exportCenter/retry/id, or generate download links /exportCenter/generateDownloadUri/id for export tasks belonging t...

PYSEC-2026-1803 pretix has Broken Access Control Allowing Cross-User File Access via UUID

Multiple API endpoints allowed access to sensitive files from other users by knowing the UUID of the file that were not intended to be accessible by UUID only...

PYSEC-2026-1802 pretix has Broken Access Control Allowing Cross-User File Access via UUID

An API endpoint allowed access to sensitive files from other users by knowing the UUID of the file that were not intended to be accessible by UUID only...

GO-2026-5779 GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion in github.com/github/github-mcp-server

GitHub MCP Server: Lockdown mode singleton in HTTP server causes cross-user GraphQL client confusion in github.com/github/github-mcp-server...

EUVD-2026-41539

Authorization Bypass Through User-Controlled Key CWE-639 in CalendarDeleteEventController app/Http/Controllers/Calendar/CalendarDeleteEventController.php, exposed at GET /calendar/event/delete/id, in Prospero Flow CRM before 5.5.3 allows a remote, authenticated attacker to delete arbitrary calend...

GHSA-J5MC-P8QG-39J7 Kimai Favorite Timesheet Add and Remove Endpoints Allows Cross-User Bookmark Manipulation

Summary Kimai 2.56.0 contains an authenticated improper authorization / IDOR vulnerability in the favorite timesheet add and remove endpoints. A low-privileged user who knows another user's timesheet.id can add that record to, or remove it from, the victim's favorite/recent bookmark list. This...

CVE-2026-59098 LobeChat 2.2.9 - Cross-User Document Disclosure via Unscoped RAG Semantic Search

LobeChat through 2.2.9 contains a broken access control vulnerability in the retrieval-augmented-generation semantic search functionality that allows authenticated attackers to access other users' data by exploiting missing user-identifier predicates in the chunk model semanticSearch method...

CVE-2026-59098 LobeChat 2.2.9 - Cross-User Document Disclosure via Unscoped RAG Semantic Search

LobeChat through 2.2.9 contains a broken access control vulnerability in the retrieval-augmented-generation semantic search functionality that allows authenticated attackers to access other users' data by exploiting missing user-identifier predicates in the chunk model semanticSearch method...

CVE-2026-59098 LobeChat 2.2.9 - Cross-User Document Disclosure via Unscoped RAG Semantic Search

LobeChat through 2.2.9 contains a broken access control vulnerability in the retrieval-augmented-generation semantic search functionality that allows authenticated attackers to access other users' data by exploiting missing user-identifier predicates in the chunk model semanticSearch method...

CVE-2026-59098

CVE-2026-59098 affects LobeChat up to version 2.2.9. A broken access control in the retrieval-augmented-generation semantic search functionality allows an authenticated attacker to access another user’s data by exploiting missing user-identifier predicates in the chunk model semanticSearch method...

Use of Cache Containing Sensitive Information

Overview api-platform/core is a builds a fully-featured hypermedia or GraphQL API in minutes. Affected versions of this package are vulnerable to Use of Cache Containing Sensitive Information in the componentsCache process of the JSON:API and HAL item normalizers. An attacker can access attribute...

CVE-2026-49858

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. In versions from 2.6.0 prior to 4.1.29, 4.2.26, and 4.3.12, a missing isCacheKeySafe gate in the JSON:API and HAL item normalizers causes a cross-user attribute leak. ApiPropertysecurity: ... is evaluated per request...

CVE-2026-49858 API Platform Core: Cross-user attribute leak in JSON:API and HAL item normalizers due to missing isCacheKeySafe gate

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. In versions from 2.6.0 prior to 4.1.29, 4.2.26, and 4.3.12, a missing isCacheKeySafe gate in the JSON:API and HAL item normalizers causes a cross-user attribute leak. ApiPropertysecurity: ... is evaluated per request...

CVE-2026-49858

API Platform Core contains a cross-user attribute leak in JSON:API and HAL item normalizers due to a missing isCacheKeySafe gate. Affected versions: 2.6.0 up to 4.1.28, 4.2.25, and 4.3.11 (i.e., before 4.1.29, 4.2.26, 4.3.12). Root cause: componentsCache arrays are keyed on $context['cache_key'] ...

CVE-2026-49858 API Platform Core: Cross-user attribute leak in JSON:API and HAL item normalizers due to missing isCacheKeySafe gate

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. In versions from 2.6.0 prior to 4.1.29, 4.2.26, and 4.3.12, a missing isCacheKeySafe gate in the JSON:API and HAL item normalizers causes a cross-user attribute leak. ApiPropertysecurity: ... is evaluated per request...