The former heavyweight world champion emerged from retirement to stop Dereck Chisora in five rounds in July.
And Haye admitted he would consider one final showdown with the elder Klitschko brother who holds WBC belt.
The 31-year-old, who does not have a British boxing licence, held amicable talks with the WBC last week and a spokesman said: 'David Haye is welcome to return to the WBC. WBC president Jose Sulaiman spoke with David, who wants to return to fight for our organisation.' After his victory over Chisora, Haye said: ‘He (Vitali) will no doubt fight some chump and then retire to be a politician. If he wants to fight me then I’m ready.’