{
 "id": "CVE-2026-100605",
 "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.",
 "published": "2026-09-26",
 "last_modified": "2026-09-30",
 "vuln_status": "Deferred",
 "cna": "disclosure@vulncheck.com",
 "cvss": {
  "version": "4.0",
  "score": 7.5,
  "severity": "HIGH",
  "vector": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
  "source": "disclosure@vulncheck.com"
 },
 "cwe": [
  "CWE-862"
 ],
 "products": [
  {
   "vendor": "FlowiseAI",
   "product": "Flowise",
   "versions_affected": null,
   "fixed_in": null,
   "product_id": "flowise"
  }
 ],
 "category": "framework",
 "surface": [
  "credential_access",
  "auth_bypass"
 ],
 "kev": null,
 "fix": {
  "status": "unknown",
  "version": null,
  "url": null
 },
 "references": [
  {
   "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh",
   "source": "disclosure@vulncheck.com",
   "tags": []
  },
  {
   "url": "https://www.vulncheck.com/advisories/flowise-through-3.1.4-missing-authorization-via-chat-message-routes",
   "source": "disclosure@vulncheck.com",
   "tags": []
  },
  {
   "url": "https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-ppmg-4cx6-95hh",
   "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
   "tags": []
  }
 ],
 "related_agents": [
  "flowiseai-flowise"
 ],
 "related_incidents": [],
 "match": {
  "tests": [
   "A:cpe"
  ],
  "terms": [
   "flowise:flowiseai:flowise"
  ]
 },
 "status": "candidate",
 "note": null,
 "reviewer": null,
 "checked_on": null,
 "retrieved_on": "2026-10-25"
}