CVE-2026-116254 | rathena FluxCP up to 98cd4b8fd83228c11b36fb3d097b8e0f7c105a8d PayPal IPN PaymentNotifyRequest.php verifyiprange X-Real-IP origin validation

October 25, 2026 Yanac

A vulnerability, which was classified as critical, has been found in rathena FluxCP up to 98cd4b8fd83228c11b36fb3d097b8e0f7c105a8d. This issue affects the function verifyiprange of the file lib/Flux/PaymentNotifyRequest.php of the component PayPal IPN Handler. The manipulation of the argument X-Real-IP leads to origin validation error.

This vulnerability is uniquely identified as CVE-2026-116254. The attack is possible to be carried out remotely. Moreover, an exploit is present.

The vendor was contacted early about this disclosure but did not respond in any way.VulDB Recent EntriesRead More