Nginx Proxy Manager through 2.16.0 lacks rate-limiting on authentication endpoints, allowing unauthenticated attackers to make unlimited password guesses against any account. Attackers can brute-force login credentials via POST /api/tokens and subsequently guess TOTP codes via POST /api/tokens/2fa to gain full session access and administrative control.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-307"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102334.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "2.16.0"
},
{
"fixed": "2.16.0"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}