Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints

Cross-User File Access via Unchecked fileid in Folder Knowledge and Knowledge-Base Attach Endpoints Summary Multiple endpoints accept a user-supplied fileid and attach the referenced file to a resource the caller controls folder knowledge, knowledge-base contents without verifying that the caller...

GHSA-GM54-M39W-GRJP Open WebUI missing authorization check at the model update function - models from other users can be updated

Summary A user can modify another user's model even if its visibility is set to Private. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here...

GHSA-RMP5-5JJ7-GMVF MantisBT has an authorization bypass that allows reading attachments after losing access to a private issue

MantisBT permits a user to list and download their own attachments from an Issue created by another user, even after that Issue becomes private and direct access to it is denied. Impact The loss of confidentiality caused by this vulnerability is minimal, considering that only the attachments that...

CVE-2026-7813 pgAdmin 4: Cross-user data access and shared-server privilege escalation in server mode

Authorization vulnerability in pgAdmin 4 server mode affecting Server Groups, Servers, Shared Servers, Background Processes, and Debugger modules. Multiple endpoints fetched user-owned objects without filtering by the requesting user's identity. An authenticated user could access another user's...

CVE-2026-7813

pgAdmin 4 server mode CVE-2026-7813 enables cross-user data access and privilege escalation in Shared Servers. An authenticated user could enumerate object IDs to fetch another user’s private servers, server groups, background processes, and debugger arguments due to lacking user-scoped access co...

CVE-2026-42456 AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (IDOR)

AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to version 1.12.1, GET /api/workspace/:slug/tts/:chatId in AnythingLLM returns the text-to-speech audio for another user's chat response within the same workspace...

CVE-2026-42456 AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (IDOR)

AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to version 1.12.1, GET /api/workspace/:slug/tts/:chatId in AnythingLLM returns the text-to-speech audio for another user's chat response within the same workspace...

CVE-2026-42456

AnythingLLM vulnerable prior to v1.12.1: GET /api/workspace/:slug/tts/:chatId exposes another user’s private chat response as TTS audio due to ownership check not being enforced, enabling IDOR. Authenticated users can access audio content by guessing known chatId. Issue patched in v1.12.1; remedi...

GHSA-45M8-CPM2-3V65 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access Affected Component Socket.IO session state and role-check callsites: - backend/openwebui/socket/main.py lines 330-351, connect handler — role snapshotted into SESSIONPOOL - backend/openwebui/socket/main.py lin...

PT-2026-38660

Name of the Vulnerable Software and Affected Versions Onyx versions prior to 3.0.9 Onyx versions prior to 3.1.6 Onyx versions prior to 3.2.6 Description An issue in the AI platform allows an authenticated user to terminate another user's active chat session. The endpoint...

CVE-2026-6542

IBM Langflow OSS 1.0.0–1.8.4 is vulnerable to an authorization bypass in the Monitor API: any authenticated user can supply a flow_id to read another user’s transaction logs and vertex build data, and can delete persisted vertex build data for another user’s flow. Root cause cited as missing owne...

CVE-2026-33030

CVE-2026-33030 affects nginx-ui up to version 2.3.3. An Insecure Direct Object Reference (IDOR) vulnerability allows any authenticated user to access, modify, or delete resources owned by other users due to lack of user ownership checks in the base model and endpoints. Some sources (GHSA/OSV) add...

GO-2026-4814 New API: IDOR in VideoProxy allows cross-user video content access via missing ownership check in github.com/QuantumNous/new-api

New API: IDOR in VideoProxy allows cross-user video content access via missing ownership check in github.com/QuantumNous/new-api...

EUVD-2026-15943

n8n is Vulnerable to Credential Theft via Name-Based Resolution and Permission Checker Bypass in Community Edition...

CVE-2026-30886 New API: IDOR in VideoProxy allows cross-user video content access via missing ownership check

New API is a large language mode LLM gateway and artificial intelligence AI asset management system. Prior to version 0.11.4-alpha.2, an Insecure Direct Object Reference IDOR vulnerability in the video proxy endpoint GET /v1/videos/:taskid/content allows any authenticated user to access video...

CVE-2026-30886 New API: IDOR in VideoProxy allows cross-user video content access via missing ownership check

New API is a large language mode LLM gateway and artificial intelligence AI asset management system. Prior to version 0.11.4-alpha.2, an Insecure Direct Object Reference IDOR vulnerability in the video proxy endpoint GET /v1/videos/:taskid/content allows any authenticated user to access video...

GHSA-JXM3-PMM2-9GF6 Craft CMS has Permission Bypass and IDOR in Duplicate Entry Action

Description The "Duplicate" entry action does not properly verify if the user has permission to perform this action on the specific target elements. Even with only "View Entries" permission where the "Duplicate" action is restricted in the UI, a user can bypass this restriction by sending a direc...

CVE-2026-28361 NocoDB: Missing Ownership Validation in MCP Token Operations

NocoDB is software for building databases as spreadsheets. Prior to version 0.301.3, the MCP token service did not validate token ownership, allowing a Creator within the same base to read, regenerate, or delete another user's MCP tokens if the token ID was known. This issue has been patched in...

CVE-2026-28361 NocoDB: Missing Ownership Validation in MCP Token Operations

NocoDB is software for building databases as spreadsheets. Prior to version 0.301.3, the MCP token service did not validate token ownership, allowing a Creator within the same base to read, regenerate, or delete another user's MCP tokens if the token ID was known. This issue has been patched in...

ASB-A-433746973

In hasImage of Notification.java, there is a possible way to reveal information across users due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...