Open WebUI's Ollama Model Access Control Bypass via /api/generate, /api/embed, /api/embeddings, and /api/show

Ollama Model Access Control Bypass via /api/generate, /api/embed, /api/embeddings, and /api/show Affected Component Ollama proxy endpoints missing model access control: - backend/openwebui/routers/ollama.py lines 955-995, generatecompletion - backend/openwebui/routers/ollama.py lines 835-881, emb...

open-webui Vulnerable to Stored XSS via Model Description

!IMPORTANT Relationship to CVE-2024-7990 CVE-2024-7990 issued by huntr.dev, March 2025 describes a stored XSS in the same field — the model description — but exploits a different bypass mechanism: a second-order injection through the sanitizeResponseContent function's video-tag placeholder...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the sanitizeResponseContent process. An attacker can execute arbitrary JavaScript in the browser of another user by crafting a malicious model description containing a markdown lin...

Security Bulletin: @carbon/ai-chat is vulnerable to XSS if Object.prototype has been compromised in assistant provided content due to DOMPurify ( CVE-2026-41238 CVE-2026-41239 CVE-2026-41240)

Summary DOMPurify trusts Object.prototype for security-critical config, which violates the principle that a sanitizer should be robust against a hostile global environment. If Object.prototype has been compromised, DOMPurify may not sanitize HTML propertly. Vulnerability Details...

CVE-2026-44338

PraisonAI is a multi-agent teams system. From version 2.5.6 to before version 4.6.34, PraisonAI ships a legacy Flask API server with authentication disabled by default. When that server is used, any caller that can reach it can access /agents and trigger the configured agents.yaml workflow throug...

EUVD-2026-28641

PraisonAI is a multi-agent teams system. From version 2.5.6 to before version 4.6.34, PraisonAI ships a legacy Flask API server with authentication disabled by default. When that server is used, any caller that can reach it can access /agents and trigger the configured agents.yaml workflow throug...

CVE-2026-44338 PraisonAI ships and generates a legacy API server with authentication disabled by default, allowing unauthenticated workflow execution

PraisonAI is a multi-agent teams system. From version 2.5.6 to before version 4.6.34, PraisonAI ships a legacy Flask API server with authentication disabled by default. When that server is used, any caller that can reach it can access /agents and trigger the configured agents.yaml workflow throug...

CVE-2026-42276

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/chatsessionid endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An...

CVE-2026-42277

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the GET /chat/file/fileid endpoint allows any authenticated user to download any other user's uploaded files by providing the file UUID. The endpoint verifies the caller is authenticated but never checks that the file...

CVE-2026-42277

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the GET /chat/file/fileid endpoint allows any authenticated user to download any other user's uploaded files by providing the file UUID. The endpoint verifies the caller is authenticated but never checks that the file...

CVE-2026-42277

Onyx (open‑source AI platform) contains an IDOR in the GET /chat/file/{file_id} endpoint. Before versions 3.0.9, 3.1.6, and 3.2.6, any authenticated user could download another user’s uploaded files by supplying the file’s UUID, because authentication is checked but ownership is not. The vulnerab...

CVE-2026-42277 Onyx: IDOR in /chat/file/{file_id} allows any authenticated user to download other users files

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the GET /chat/file/fileid endpoint allows any authenticated user to download any other user's uploaded files by providing the file UUID. The endpoint verifies the caller is authenticated but never checks that the file...

CVE-2026-42277 Onyx: IDOR in /chat/file/{file_id} allows any authenticated user to download other users files

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the GET /chat/file/fileid endpoint allows any authenticated user to download any other user's uploaded files by providing the file UUID. The endpoint verifies the caller is authenticated but never checks that the file...

CVE-2026-42276 Onyx: IDOR in /chat/stop-chat-session allows any authenticated user to interrupt other users chat sessions

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/chatsessionid endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An...

CVE-2026-42276 Onyx: IDOR in /chat/stop-chat-session allows any authenticated user to interrupt other users chat sessions

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/chatsessionid endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An...

EUVD-2026-28524

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/chatsessionid endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An...

CVE-2026-42276

Onyx has an IDOR vulnerability in POST /chat/stop-chat-session/{chat_session_id}. Authenticated users can stop other users’ active chat sessions because the endpoint authenticates the caller but does not verify that the session belongs to them. An attacker knowing a chat_session_id can interrupt ...

CVE-2026-42276

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/chatsessionid endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An...

CVE-2026-42276 Onyx: IDOR in /chat/stop-chat-session allows any authenticated user to interrupt other users chat sessions

Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/chatsessionid endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An...

CVE-2026-8125

A vulnerability was detected in code-projects Simple Chat System 1.0. This vulnerability affects unknown code of the file sendMessage.php. The manipulation of the argument type/length/business parameter validity results in sql injection. The attack may be launched remotely. The exploit is now...