CVE-2026-66829 html_sanitize_ex HTML5 scrubber keeps attacker-supplied meta refresh, allowing forced cross-origin redirection

URL Redirection to Untrusted Site 'Open Redirect' vulnerability in the HTML5 scrubber in rrrene htmlsanitizeex allows a remote attacker to force visitors of a page to navigate to a site of the attacker's choosing via a element in sanitized HTML. HtmlSanitizeEx.html5/1 keeps attacker-supplied...

CVE-2025-12627

The user impersonation flow in WSO2 Identity Server fails to properly manage refresh tokens associated with impersonated sessions. This allows an attacker who has obtained an access token for an impersonated user to leverage the refresh token grant to obtain new access tokens, extending their...

CVE-2025-12627

The user impersonation flow in WSO2 Identity Server fails to properly manage refresh tokens associated with impersonated sessions. This allows an attacker who has obtained an access token for an impersonated user to leverage the refresh token grant to obtain new access tokens, extending their...

CVE-2025-12627

WSO2 Identity Server is affected by CVE-2025-12627 due to improper refresh token handling in the user impersonation flow. If an attacker has an impersonated access token, they can use the refresh_token grant to obtain new access tokens, extending their ability to act as the impersonated user. Thi...

EUVD-2025-210629

The user impersonation flow in WSO2 Identity Server fails to properly manage refresh tokens associated with impersonated sessions. This allows an attacker who has obtained an access token for an impersonated user to leverage the refresh token grant to obtain new access tokens, extending their...

CVE-2025-12627 Improper Refresh Token Implementation via User Impersonation Flow in WSO2 Identity Server Enables Continued Unauthorized Actions

The user impersonation flow in WSO2 Identity Server fails to properly manage refresh tokens associated with impersonated sessions. This allows an attacker who has obtained an access token for an impersonated user to leverage the refresh token grant to obtain new access tokens, extending their...

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...

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

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...

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...

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...