| Component | Flowise |
| Severity | critical (CVSS 10) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| Published (NVD) | 2026-06-25 |
| Last modified | 2026-10-12 |
| Affected versions | flowise <= 3.1.3 |
| Fixed in | see the vendor advisory |
| Weakness | CWE-73 |
| CISA KEV | not listed |
NVD description
Flowise through 2.2.7 fails to sanitize path segments in the document-store loader endpoint, allowing unauthenticated attackers to write files outside the storage directory. Attackers can use parent-directory sequences to escape the storage directory and overwrite application files loaded at boot for remote code execution.
What to do
- NVD lists no fixed version yet: follow the vendor advisory below and keep Flowise off the public internet until a fix ships.
- Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2025-71338
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-8vvx-qvq9-5948
- https://www.vulncheck.com/advisories/flowise-arbitrary-file-write-to-remote-code-execution-via-document-store-api
- https://github.com/FlowiseAI/Flowise/releases/tag/flowise%402.2.7-patch.1
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