CVE-2026-100605CWE-862broken-access-control

CVE-2026-100605

High · published September 26, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
11.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
7.5 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00216 · 11.4th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-26T18:16Z
References (3)
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh · [email protected]https://www.vulncheck.com/advisories/flowise-through-3.1.4-missing-authorization-via-chat-message-routes · [email protected]https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 28 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 26 SEP 13:22Z
    Flowise through 3.1.4 Missing Authorization via Chat Message Routes
    cvelistv5