PHKP including commit 88fd9cfdf14ea4b6ac3e3967feea7bcaabb6f03b is affected by: Improper Neutralization of Special Elements used in a Command ('Command Injection'). The impact is: It is possible to manipulate gpg-keys or execute commands remotely. The component is: function pgp_exec() phkp.php:98. The attack vector is: HKP-Api: /pks/lookup?search.