CVE-2026-56270
CVE-2026-56270
8.7
HighPublished:
Last updated:
Source:disclosure@vulncheck.com
Analyzed
Weakness (CWE)
CVSS Vector
v4.0- Attack Vector
- Network
- Attack Complexity
- Low
- Attack Requirements
- None
- Privileges Required
- None
- User Interaction
- None
- Confidentiality (Vulnerable)
- High
- Integrity (Vulnerable)
- None
- Availability (Vulnerable)
- None
- Confidentiality (Subsequent)
- None
- Integrity (Subsequent)
- None
- Availability (Subsequent)
- None
Description
Flowise before 3.1.0 (versions 3.0.13 and earlier) contains a missing authentication vulnerability in the /api/v1/loginmethod endpoint that allows unauthenticated users to retrieve an organization's complete SSO configuration, including OAuth client secrets in cleartext, by providing an organizationId parameter. Remote attackers can send a GET request to harvest sensitive API credentials for Google, Microsoft/Azure, GitHub, and Auth0 integrations. This affects FlowiseAI Cloud and self-hosted instances where the endpoint is exposed.
References
disclosure@vulncheck.com
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6pcv-j4jx-m4vxdisclosure@vulncheck.com
https://www.vulncheck.com/advisories/flowise-unauthenticated-oauth-secrets-disclosure-via-api-v1-loginmethod-endpoint134c704f-9b21-4f2e-91b3-4a467353bcc0
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6pcv-j4jx-m4vx