CVE-2026-70478

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...

Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service

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

GHSA-QGVM-J2HM-6M38 Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service

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

CVE-2026-70478

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-2026-70478 Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service

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-2026-70478

Summary of CVE-2026-70478 (Flowise) : The unauthenticated endpoint POST /api/v1/oauth2-credential/refresh/:credentialId is exposed via WHITELIST_URLS and decrypts the stored credential to perform an OAuth token refresh, returning a new access_token in the response. An attacker with a valid creden...

CVE-2026-70478 Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service

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...

EUVD-2026-52912

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-2026-70478 Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service

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-2026-70474

Flowise is a drag-and-drop user interface for building customized large language model LLM flows. Prior to 3.1.3, Flowise has three OAuth2 credential endpoints that look up credentials by id alone with no workspaceId filter. The authorize, callback, and refresh handlers query the Credential table...

Flowise: Cross-Workspace OAuth2 Credential Metadata Leak

Summary Three OAuth2 credential endpoints look up credentials by id alone with no workspaceId filter. Two of these endpoints callback, refresh are whitelisted from all authentication. This allows: 1. Cross-workspace credential access — Any authenticated user can initiate OAuth2 flows against...

GHSA-WCH5-XP77-FXG4 Flowise: Cross-Workspace OAuth2 Credential Metadata Leak

Summary Three OAuth2 credential endpoints look up credentials by id alone with no workspaceId filter. Two of these endpoints callback, refresh are whitelisted from all authentication. This allows: 1. Cross-workspace credential access — Any authenticated user can initiate OAuth2 flows against...

CVE-2026-70474 Flowise: Cross-Workspace OAuth2 Credential Metadata Leak

Flowise is a drag-and-drop user interface for building customized large language model LLM flows. Prior to 3.1.3, Flowise has three OAuth2 credential endpoints that look up credentials by id alone with no workspaceId filter. The authorize, callback, and refresh handlers query the Credential table...

CVE-2026-70474 Flowise: Cross-Workspace OAuth2 Credential Metadata Leak

Flowise is a drag-and-drop user interface for building customized large language model LLM flows. Prior to 3.1.3, Flowise has three OAuth2 credential endpoints that look up credentials by id alone with no workspaceId filter. The authorize, callback, and refresh handlers query the Credential table...

CVE-2026-69250

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...

GHSA-R745-8HWV-H473 Flowise: Unauthenticated OAuth2 Refresh Enables Non-Blind SSRF and Secret Exfiltration

Summary The OAuth2 token refresh endpoint POST /api/v1/oauth2-credential/refresh/:credentialId is unauthenticated by design it is in the public whitelist and performs a server-side HTTP request to a credential-controlled URL accessTokenUrl without SSRF protections. In runtime validation, this...

Flowise: Unauthenticated OAuth2 Refresh Enables Non-Blind SSRF and Secret Exfiltration

Summary The OAuth2 token refresh endpoint POST /api/v1/oauth2-credential/refresh/:credentialId is unauthenticated by design it is in the public whitelist and performs a server-side HTTP request to a credential-controlled URL accessTokenUrl without SSRF protections. In runtime validation, this...

CVE-2026-69250

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-2026-69250

Summary: CVE-2026-69250 affects Flowise up to version 3.1.2 (pre-3.1.3). The OAuth2 token refresh endpoint POST /api/v1/oauth2-credential/refresh/:credentialId is publicly whitelisted and unauthenticated. The endpoint performs a server-side HTTP request to a credential-controlled accessTokenUrl w...

CVE-2026-69250 Flowise: Unauthenticated OAuth2 Refresh Enables Non-Blind SSRF and Secret Exfiltration

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...