CVE-2026-44560

Open WebUI (self-hosted offline AI platform) contains a vector-search access control flaw in the RAG retrieval path. In get_sources_from_items, non-full-context file/text collection paths can query the vector store without authorization, enabling extraction of content from files and knowledge bas...

CVE-2026-44560 Open WebUI: Unauthorized File and Knowledge Base Content Access via RAG Vector Search

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the type: "file" non-full-context, type: "text" with collectionname, and bare collectionname/collectionnames paths in the getsourcesfromitems function perform vector store queries...

CVE-2026-44560 Open WebUI: Unauthorized File and Knowledge Base Content Access via RAG Vector Search

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the type: "file" non-full-context, type: "text" with collectionname, and bare collectionname/collectionnames paths in the getsourcesfromitems function perform vector store queries...

CVE-2026-45671 Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile...

CVE-2026-45671 Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile...

EUVD-2026-30606

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile...

CVE-2026-45671

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile...

CVE-2026-45671 Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile...

CVE-2026-45671

Open WebUI vulnerability CVE-2026-45671 affects the shared-chat branch in the file authorization path. The has_access_to_file() gate unconditionally returns True for shared-chat references, ignoring the requesting user identity and the operation type. This allows any authenticated user to delete ...

CVE-2026-28761

CVE-2026-28761 is a cross-site request forgery affecting Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2203.0 and earlier. When a logged-in user views a malicious page, unintended operations may be performed, potentially impacting confidentiality and integrity as per the CVSS metri...

CVE-2026-24662

Cross-site scripting vulnerability exists in Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2203.0 and earlier. If a file containing malicious contents is uploaded, an arbitrary script may be executed on a user's web browser when viewing the administration page showing the informati...

CVE-2026-44557: Incorrect Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the validatecollectionaccess function uses an incomplete allowlist that only enforces ownership checks for collections matching user-memory- and file- patterns. All other collection...

Open WebUI < 0.9.5 Multiple Vulnerabilities

The version of Open WebUI running on the remote host is prior to 0.9.5. It is, therefore, affected by multiple vulnerabilities: - An insecure direct object reference IDOR vulnerability in the retrieval API allows any authenticated user who knows a private knowledge base UUID to bypass access...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.5 contained security vulnerabilities. These vulnerabilities stemmed from the collectionaccess verification function not checking the knowledge base collection. As ...

CVE-2026-45402: Authorization Bypass Through User-Controlled Key

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, 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...

PT-2026-41266

Cross-site request forgery vulnerability exists in Musetheque V4 Information Disclosure for IPKNOWLEDGE V4L1 rev2203.0 and earlier. If a user views a malicious page while logged-in to the affected product, unexpected operations may be done...

Context-Aware Entity-Relation Extraction for Threat Intelligence Knowledge Graphs

Cybersecurity Knowledge Graphs CKGs unify diverse Cyber Threat Intelligence CTI sources into structured, queryable formats, offering scalable solutions for automating proactive and real-time security responses. Their increasing adoption has significantly enhanced the workflow and decision-making...

CVE-2026-45398: Authorization Bypass Through User-Controlled Key

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, validatecollectionaccess checks the user-memory- and file- collection name prefixes but does not check knowledge base collections, which use raw UUIDs as collection names. Any...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the validatecollectionaccess function using an incomplete list of allowed collections. Onl...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the getsourcesfromitems function, where the execution vectors for paths containing a bare...