CVE-2026-82751

Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to inflate the fee-payer's gas cost per sponsored payment by a large multiplier and to have the sponsor pay for provisioning an access key on the client's own account. When the server sponsor...

CVE-2026-59252

The CVE-2026-59252 entry describes a missing gas_limit validation in ZenHive mpp when configured as a fee payer (fee_payer: true). The MPP.Methods.Tempo payment method co-signs and broadcasts a client-supplied EVM transaction without ensuring the client-supplied gas_limit is sufficient, allowing ...