FlowiseAI Flowise up to 3.1.4 Credential Lookup credentialId authorization

Summaryinfo

A vulnerability labeled as critical has been found in FlowiseAI Flowise up to 3.1.4. Affected by this vulnerability is the function getAllOpenaiAssistants/getSingleOpenaiAssistant/uploadFilesToAssistant/deleteAssistant/getVoices of the component Credential Lookup. Such manipulation of the argument credentialId leads to authorization. This vulnerability is referenced as CVE-2026-100609. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in FlowiseAI Flowise up to 3.1.4 and classified as critical. Affected by this issue is the function getAllOpenaiAssistants/getSingleOpenaiAssistant/uploadFilesToAssistant/deleteAssistant/getVoices of the component Credential Lookup. The manipulation of the argument credentialId with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Flowise (npm packages `flowise` and `flowise-components`) through 3.1.4 looks up credentials by ID without filtering on the requesting user's workspace (findOneBy({ id: credentialId }) with no workspaceId condition) in several code paths: getAllOpenaiAssistants/getSingleOpenaiAssistant (GET /api/v1/openai-assistants and /api/v1/openai-assistants/:id), uploadFilesToAssistant (POST /api/v1/openai-assistants-file/upload/), deleteAssistant (DELETE /api/v1/assistants/:id, reachable by first importing a poisoned assistant row via POST /api/v1/export-import/import), and the shared helper used by getVoices (GET /api/v1/text-to-speech/voices). An authenticated user of one workspace can supply a credential UUID belonging to another workspace, causing the server to decrypt and use that workspace's OpenAI or ElevenLabs API key on the attacker's behalf. No patched version was available at the time of publication.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-100609 since 09/26/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/26/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• FlowiseAI

Name

• Flowise

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4

Website

• Product: https://github.com/FlowiseAI/Flowise/

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