IBM Langflow OSS authorization bypass vulnerability

IBM Langflow OSS is the open-source version of Langflow that IBM officially integrates and promotes. IBM Langflow OSS has a vulnerability related to authorization bypass. This vulnerability arises from the fact that the retrievemessages and storemessage methods of MemoryComponent only filter...

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...

PT-2026-68296

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description An authorization bypass exists in the MemoryComponent that allows authenticated users to access the chat history of other users through session id collision. The retrieve messages and...

CVE-2026-9130: Authorization Bypass Through User-Controlled Key

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...