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.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-862"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100605.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "3.1.4"
},
{
"fixed": "3.1.4"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}