CVE-2026-116254 rathena FluxCP PayPal IPN PaymentNotifyRequest.php verifyiprange origin validation
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-116254?
CVE-2026-116254 is a medium-severity vulnerability in rathena FluxCP, published on 26 Oct 2026.
Official description
A vulnerability was identified 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. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-116254?
How do I fix CVE-2026-116254?
No fix has been published for CVE-2026-116254 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-116254 being exploited?
There is no known exploitation of CVE-2026-116254 in the wild and no public exploit code.
Sources
Also known as GHSA-2869-hc7g-hw5v.