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CVE-2026-56270

Flowise - Unauthenticated OAuth Secrets Disclosure via /api/v1/loginmethod Endpoint

Published: Jun 24, 2026Updated: Jun 26, 2026 Sources: CVE List NVDCWE-306
7.5HIGH
NVD MITRE
EPSS Score
1.5%
Top 27.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-306

Affected Products

flowiseai
oss-projectaka embed, flowise, flowise-components
flowiseOn-premWeb App
AI / ML / ai-agent-tooling
Flowise
oss-projectaka flowise-ai
FlowiseSaaS
AI / ML / ai-agent-tooling

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6pcv-j4jx-m4vx
github.com
https://www.vulncheck.com/advisories/flowise-unauthenticated-oauth-secrets-disclosure-via-api-v1-loginmethod-endpoint
vulncheck.com

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