CVE-2026-45396 Open WebUI: Mass Assignment via FeedbackForm extra=allow Allows Feedback User ID Spoofing and Evaluation Data Manipulation

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the POST /api/v1/evaluations/feedback endpoint in Open WebUI v0.9.2 is vulnerable to mass assignment via FeedbackForm, which uses modelconfig = ConfigDictextra='allow'. Due to an...

CVE-2026-45396 Open WebUI: Mass Assignment via FeedbackForm extra=allow Allows Feedback User ID Spoofing and Evaluation Data Manipulation

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the POST /api/v1/evaluations/feedback endpoint in Open WebUI v0.9.2 is vulnerable to mass assignment via FeedbackForm, which uses modelconfig = ConfigDictextra='allow'. Due to an...

CVE-2026-45396

Summary of technical details (CVE-2026-45396) Open WebUI v0.9.2 is vulnerable to mass assignment in the endpoint POST /api/v1/evaluations/feedback through a FeedbackForm that uses extra='allow'. The root cause is an insecure dictionary merge order in insert_new_feedback(), where the form data can...

CVE-2026-44550

Open WebUI prior to 0.9.0 vulnerable to mass assignment via Pydantic extra='allow' in FolderForm. The server constructs a FolderModel by merging attacker-controlled extra fields (from form_data.model_dump(exclude_unset=True)) over a server-populated user_id, and because user_id is a real field, a...

CVE-2026-44550 Open WebUI: Mass Assignment via Pydantic extra='allow' Allows Creating Folders in Other Users' Accounts

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, FolderForm uses modelconfig = ConfigDictextra='allow', which permits arbitrary fields to pass through Pydantic validation and be included in modeldumpexcludeunset=True. In...

CVE-2026-45229

Quark Drive before 0.8.5 contains a mass assignment vulnerability in the POST /update endpoint that allows authenticated attackers to overwrite administrator credentials by posting an arbitrary webui object to the configdata dictionary. Attackers can exploit insufficient deny-list filtering to...

GHSA-RJMP-VJF2-QF4G Open WebUI: Mass Assignment via FeedbackForm extra=allow Allows Feedback User ID Spoofing and Evaluation Data Manipulation

Mass Assignment in Feedback Creation Allows User ID Spoofing and Evaluation Data Manipulation Summary The POST /api/v1/evaluations/feedback endpoint in Open WebUI v0.9.2 is vulnerable to mass assignment via FeedbackForm, which uses modelconfig = ConfigDictextra='allow'. Due to an insecure...

Open WebUI: Mass Assignment via FeedbackForm extra=allow Allows Feedback User ID Spoofing and Evaluation Data Manipulation

Mass Assignment in Feedback Creation Allows User ID Spoofing and Evaluation Data Manipulation Summary The POST /api/v1/evaluations/feedback endpoint in Open WebUI v0.9.2 is vulnerable to mass assignment via FeedbackForm, which uses modelconfig = ConfigDictextra='allow'. Due to an insecure...

GHSA-WXRR-JP8M-QQ7F FlowiseAI: Evaluator create+update mass-assignment allows cross-workspace evaluator takeover

Summary Type: Mass assignment via Object.assignentity, body - client-controlled workspaceId and on create, id overwritten on the Evaluator entity - cross-workspace data takeover and IDOR. File: packages/server/src/Interface.Evaluation.ts Root cause: The Evaluator controller/service constructs a n...

NPM: FlowiseAI: Evaluator create+update mass-assignment allows cross-workspace evaluator takeover

NPM: FlowiseAI: Evaluator create+update mass-assignment allows cross-workspace evaluator takeover vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.1...

FlowiseAI: Evaluator create+update mass-assignment allows cross-workspace evaluator takeover

Summary Type: Mass assignment via Object.assignentity, body - client-controlled workspaceId and on create, id overwritten on the Evaluator entity - cross-workspace data takeover and IDOR. File: packages/server/src/Interface.Evaluation.ts Root cause: The Evaluator controller/service constructs a n...

NPM: FlowiseAI: Evaluation create+update mass-assignment allows cross-workspace evaluation takeover

NPM: FlowiseAI: Evaluation create+update mass-assignment allows cross-workspace evaluation takeover vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.1...

FlowiseAI: Evaluation create+update mass-assignment allows cross-workspace evaluation takeover

Summary Type: Mass assignment via Object.assignentity, body - client-controlled workspaceId and on create, id overwritten on the Evaluation entity - cross-workspace data takeover and IDOR. File: packages/server/src/services/evaluations/index.ts Root cause: The Evaluation controller/service...

GHSA-MQ53-PC65-WJC4 FlowiseAI: Evaluation create+update mass-assignment allows cross-workspace evaluation takeover

Summary Type: Mass assignment via Object.assignentity, body - client-controlled workspaceId and on create, id overwritten on the Evaluation entity - cross-workspace data takeover and IDOR. File: packages/server/src/services/evaluations/index.ts Root cause: The Evaluation controller/service...

NPM: FlowiseAI: DatasetRow create+update mass-assignment allows cross-workspace row takeover

NPM: FlowiseAI: DatasetRow create+update mass-assignment allows cross-workspace row takeover vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.1...

FlowiseAI: DatasetRow create+update mass-assignment allows cross-workspace row takeover

Summary Type: Mass assignment via Object.assignentity, body - client-controlled workspaceId and on create, id overwritten on the DatasetRow entity - cross-workspace data takeover and IDOR. File: packages/server/src/services/dataset/index.ts Root cause: The DatasetRow controller/service constructs...

GHSA-7J65-65CR-6644 FlowiseAI: DatasetRow create+update mass-assignment allows cross-workspace row takeover

Summary Type: Mass assignment via Object.assignentity, body - client-controlled workspaceId and on create, id overwritten on the DatasetRow entity - cross-workspace data takeover and IDOR. File: packages/server/src/services/dataset/index.ts Root cause: The DatasetRow controller/service constructs...

NPM: FlowiseAI: Dataset create+update mass-assignment allows cross-workspace dataset takeover

NPM: FlowiseAI: Dataset create+update mass-assignment allows cross-workspace dataset takeover vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.1...

FlowiseAI: Dataset create+update mass-assignment allows cross-workspace dataset takeover

Summary Type: Mass assignment via Object.assignentity, body - client-controlled workspaceId and on create, id overwritten on the Dataset entity - cross-workspace data takeover and IDOR. File: packages/server/src/services/dataset/index.ts Root cause: The Dataset controller/service constructs a new...

GHSA-5H9V-837X-M97R FlowiseAI: Dataset create+update mass-assignment allows cross-workspace dataset takeover

Summary Type: Mass assignment via Object.assignentity, body - client-controlled workspaceId and on create, id overwritten on the Dataset entity - cross-workspace data takeover and IDOR. File: packages/server/src/services/dataset/index.ts Root cause: The Dataset controller/service constructs a new...