CVE-2026-100605

HIGHCVSS 7.1

Description

Flowise through 3.1.4 contains missing route-level RBAC checks on chat message endpoints that allow low-privileged API keys to read and delete chat history. Attackers with valid but low-privileged API keys can access GET and DELETE chat message routes without required flow permissions to read chat histories, prompts, model responses, and delete messages.

Timeline

Published:September 26th, 2026 2:16 PM

Last modified:September 30th, 2026 1:17 PM

CVSS Scoring

CVSS v3: 7.1 (HIGH)

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-862

References & Reports

Advisories, patches, and third-party reports

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh
https://www.vulncheck.com/advisories/flowise-through-3.1.4-missing-authorization-via-chat-message-routes
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh

Source: NIST NVD · Data may lag official sources by up to one minute