n8n versions before 2.32.1 fail to enforce the Allowed HTTP Request Domains allowlist in multiple AI and LLM nodes when user-supplied base or endpoint URLs are configured. Low-privileged workflow editors with use-only access to shared credentials can redirect requests to attacker-controlled hosts and exfiltrate credential secrets for reuse against underlying services.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-863"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72771.json"
}{
"cpe": [
"cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*",
"cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*",
"cpe:2.3:a:n8n:n8n:2.32.0:*:*:*:community:node.js:*:*",
"cpe:2.3:a:n8n:n8n:2.32.0:*:*:*:enterprise:node.js:*:*"
],
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.31.5"
},
{
"introduced": "2.32.0"
},
{
"last_affected": "2.32.0"
}
],
"source": [
"CPE_RANGE",
"CPE_STRING"
]
}