PT-2026-67902

Summary A user granted write access to a shared chat folder could permanently delete chats and messages belonging to the folder's owner. Deleting a folder cascades into the owner's chats and the entire subfolder subtree, and the deletion handler required only write access on subfolders instead of...

PT-2026-67928

summary: In Flowise, DELETE /api/v1/chatflows/:id authorizes requests with checkAnyPermission'chatflows:delete,agentflows:delete'. Possession of either permission is sufficient to reach the delete path. The delete logic does not validate the target resource type, allowing a caller with only...

PT-2026-67919

Flowise Security Audit Report Date: 2026-03-17 Researcher: Dimpal Jadhav [email protected] GitHub: https://github.com/Dimpyj1604 Target: FlowiseAI/Flowise latest main branch Version: [email protected] FINDING 1: Missing Authorization on Execution Update Endpoint Severity: HIGH CVSS 7.5...

PT-2026-67906

Summary Flowise's CSVAgent interpolates an attacker-controlled segment of the csvFile data URI directly into a Python source-code template that is then executed by Pyodide. Because Pyodide is loaded with the default js bridge to globalThis which on Node.js exposes eval and dynamic import, the...

CVE-2026-70483: Missing Authorization

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, DELETE /api/v1/chats/id cancelled a chat's in-flight tasks before checking whether the caller could delete that chat. Any authenticated user who knew another user's chat id could abort...

CVE-2026-69250: Authorization Bypass Through User-Controlled Key

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the OAuth2 token refresh endpoint POST /api/v1/oauth2-credential/refresh/:credentialId is unauthenticated by design and performs a server-side HTTP request to the credential-controlled...

CVE-2026-69252: Missing Authorization

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the /api/v1/files route was protected only by the feat:files feature gate and did not enforce checkPermission on GET or DELETE. A low-privileged authenticated API key with unrelated permission...

CVE-2026-70494: Missing Authorization

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.0, the DELETE /api/v1/folders/id handler in backend/openwebui/routers/folders.py allowed a user granted write access to a shared chat folder to permanently delete chats and messages...

CVE-2026-70473: Exposure of Sensitive Information to an Unauthorized Actor

Flowise is a drag-and-drop user interface for building customized large language model LLM flows. Prior to 3.1.3, Flowise GET /api/v1/upsert-history returns the entire server-wide upsert history instead of being scoped to the requesting user, tenant, or workspace. The response can exceed 100MB an...

CVE-2026-70478: Exposure of Sensitive Information to an Unauthorized Actor

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the POST /api/v1/oauth2-credential/refresh/:credentialId endpoint is included in WHITELISTURLS and requires no authentication. The endpoint decrypts the stored credential, sends a refresh...

CVE-2026-69258: Authorization Bypass Through User-Controlled Key

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the unauthenticated POST /api/v1/prediction/:id endpoint accepted an overrideConfig object and unconditionally spread it into internal flowConfig and flowData objects in...

PT-2026-67920

Summary The GET /api/v1/upsert-history endpoint returns the entire server-wide upsert history response size 100MB instead of being scoped to the requesting user/tenant/workspace. The response includes sensitive configuration data e.g., Vector Store settings such as Qdrant Server URL and collectio...

PT-2026-67836

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.9.6 through 0.10.2 Description An issue exists where the DELETE /api/v1/chats/id endpoint cancels in-flight tasks before verifying if the caller has the necessary permissions to delete the chat. An authenticated user who...

PT-2026-67904

Summary DELETE /api/v1/chats/id cancelled a chat's in-flight tasks before it checked whether the caller was allowed to delete that chat. Any authenticated user who knew another user's chat id could therefore abort that user's running model response, title generation or tag generation. The deletio...

CVE-2026-70475: Missing Authorization

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the PUT /api/v1/executions/:id endpoint in packages/server/src/routes/executions/index.ts lacks the checkAnyPermission middleware that protects other execution endpoints. Any authenticated use...

PT-2026-67778

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.3 Description An authorization bypass exists in the DELETE /api/v1/chatflows/:id endpoint. The system uses the checkAnyPermission'chatflows:delete,agentflows:delete' function, which allows access if the user...

CVE-2026-69262: Incorrect Authorization

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, DELETE /api/v1/chatflows/:id authorized requests with checkAnyPermission'chatflows:delete,agentflows:delete', so possession of either permission was sufficient to reach the delete path. The...

PT-2026-67862

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.10.0 through 0.10.9 Description A flaw in the DELETE /api/v1/folders/id endpoint allows a user with write access to a shared chat folder to permanently delete chats and messages belonging to the folder owner. This occurs...

PT-2026-67930

Summary The OAuth2 token refresh endpoint POST /api/v1/oauth2-credential/refresh/:credentialId is in WHITELIST URLS, meaning it requires no authentication. It decrypts the stored credential containing clientId, clientSecret, refresh token, sends a refresh request to the configured OAuth provider,...

Duplicate Advisory: Vikunja: Link-share principal ID collision allows cross-account API token issuance and management

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vvcv-vpph-h844. This link is maintained to preserve external references. Original Description Vikunja versions 0.22.0 through 2.3.0 fail to validate the principal type in API token management. Because user IDs a...