CVE-2026-12821
Medium
Description
A vulnerability was determined in FlowiseAI Flowise up to 3.1.2. The impacted element is an unknown function of the file packages/components/nodes/documentloaders/S3/S3.ts of the component S3 Document Loader. Executing a manipulation can lead to path traversal. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
SeverityMedium
CVSS6.3
Exploit probability—
ProductFlowise
PublishedJun 22, 2026
First seenJun 22, 2026
Weakness typeCWE-22Path traversal
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| flowiseai flowise | 3.1.0, 3.1.1, 3.1.2 | — |
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