CVE-2025-51865

CVE-2025-51865 Vulnerability description Ai2 is a Seattle based non-profit AI research institute. Ai2 provide a playground web application to chat with their LLM, which is vulnerable to Insecure Direct Object Reference IDOR in its chat component. An attacker can exploit this IDOR to tamper other...

CVE-2026-30048

CVE-2026-30048 - Stored Cross-Site Scripting XSS in NotChatbot WebChat = 1.5.0 Summary A stored Cross-Site Scripting XSS vulnerability exists in the @developer.notchatbot/webchat package versions up to and including 1.5.0. User-supplied input is not properly sanitized before being stored and...

Open WebUI: Any authenticated user can hang the server via a cyclic chat message history

Summary Chat histories are stored as an unvalidated JSON object. The walk that reconstructs a chat's message chain detected repeats using each message's own id field while moving through the history by map key, so a message that simply omitted id was never recorded as visited. A history whose...

EUVD-2026-75188

Open WebUI: Any authenticated user can hang the server via a cyclic chat message history...

GHSA-JQHH-CJMQ-VMV6 Open WebUI: Any authenticated user can hang the server via a cyclic chat message history

Summary Chat histories are stored as an unvalidated JSON object. The walk that reconstructs a chat's message chain detected repeats using each message's own id field while moving through the history by map key, so a message that simply omitted id was never recorded as visited. A history whose...

CVE-2026-88002

Open WebUI (self-hosted AI platform), versions 0.5.0 through 0.11.1 , is affected by a denial-of-service vulnerability in the message-chain reconstruction helper in backend/open_webui/utils/misc.py. The helper advanced through chat history by map key but tracked visited entries using each message...

CVE-2025-51858

CVE-2025-51858 Vulnerability description ChatPlayground.ai is a popular web application for comparing AI models. A Cross-Site Scripting XSS vulnerability exists in the chat component. This can lead to JWT token theft and remote account hijacking. Additionally, the /api/chat-history endpoint...

save-telegram-chat-history

Save Telegram Chat History Why this extension? Perhaps, many of us like Telegram messenger and use it for conversations with friends. However, we were a bit disappointed by the absence of any sort of easy-accessible "Save Conversation" feature in the messenger. Therefore, we've written a Chrome...

ChatGPT Flaw Let a Planted Prompt Send a Victim's Gmail Data to Another Account

Check Point Research said in a report published today that a single instruction planted in a ChatGPT conversation could cause ChatGPT to quietly work for an attacker while answering the user's question as usual. In the company's proof of concept, that hidden work read data from the user's connect...

CVE-2026-85607

Blinko 1.8.7 contains an authorization bypass IDOR vulnerability in multiple tRPC procedures message.list, message.update, message.delete, message.clearAfter in server/routerTrpc/message.ts and conversation.clearMessages in server/routerTrpc/conversation.ts. Although these procedures require...

EUVD-2026-71223

Blinko 1.8.7 contains an authorization bypass IDOR vulnerability in multiple tRPC procedures message.list, message.update, message.delete, message.clearAfter in server/routerTrpc/message.ts and conversation.clearMessages in server/routerTrpc/conversation.ts. Although these procedures require...

PT-2026-85540

Blinko 1.8.7 contains an authorization bypass IDOR vulnerability in multiple tRPC procedures message.list, message.update, message.delete, message.clearAfter in server/routerTrpc/message.ts and conversation.clearMessages in server/routerTrpc/conversation.ts. Although these procedures require...

CVE-2026-79483

FastGPT Community Edition 4.10.0 through 4.14.0 are vulnerable to a NoSQL injection in the POST /api/core/chat/getHistories endpoint. An unauthenticated attacker can inject malicious NoSQL operators via crafted JSON payloads to bypass authorization checks, resulting in unauthorized access to chat...

CVE-2026-79483

FastGPT Community Edition 4.10.0 through 4.14.0 are vulnerable to a NoSQL injection in the POST /api/core/chat/getHistories endpoint. An unauthenticated attacker can inject malicious NoSQL operators via crafted JSON payloads to bypass authorization checks, resulting in unauthorized access to chat...

CVE-2026-79483

FastGPT Community Edition (versions 4.10.0 through 4.14.0) is affected by a NoSQL injection in the POST /api/core/chat/getHistories endpoint. An unauthenticated attacker can inject malicious NoSQL operators via crafted JSON payloads to bypass authorization checks, gaining unauthorized access to c...

CVE-2026-82281

Kotaemon through 0.12.0 fails to properly validate conversation ownership in selectconv, deleteconv, renameconv, and onsetpublicconversation functions in control.py. Attackers can read other users' chat histories, delete conversations, or rename conversations by supplying arbitrary conversation...

EUVD-2026-67812

Kotaemon through 0.12.0 fails to properly validate conversation ownership in selectconv, deleteconv, renameconv, and onsetpublicconversation functions in control.py. Attackers can read other users' chat histories, delete conversations, or rename conversations by supplying arbitrary conversation...

CVE-2026-82281 Kotaemon Missing Ownership Check in Conversation Functions

Kotaemon through 0.12.0 fails to properly validate conversation ownership in selectconv, deleteconv, renameconv, and onsetpublicconversation functions in control.py. Attackers can read other users' chat histories, delete conversations, or rename conversations by supplying arbitrary conversation...

CVE-2026-46409

OpenYak is a local-first agent runtime for reliable tool-using models, with a desktop workspace built on top. Prior to version 1.1.3, the OpenYak desktop backend binds an HTTP API to 127.0.0.1: commonly 19141 without server-side Origin validation, loopback authentication, or Content-Type...

CVE-2026-9130

IBM Langflow OSS 1.0.0 through 1.10.3 contain an authorization bypass vulnerability in the MemoryComponent that allows authenticated users to access chat history of other users via sessionid collision. The MemoryComponent.retrievemessages and storemessage methods filter on sessionid without...