The group appears to be at odds with more mainstream Jewish organisations and has suggested anti-Semitism allegations aimed at Mr Corbyn are a smear.
"It is not for non-Jewish people, in criticising Corbyn's attendance, to determine what is and isn't a legitimate expression of the Jewish faith".
"I think it's fair enough to answer a question, it's not fair enough to deselect someone for attending a demonstration about anti-Semitism, because I think it's clear that there is real concern within the Jewish community about anti-Semitism".
Moderate highly respected Labour MPs, not least Dudley North's Ian Austin, have spoken out openly about what they see as the worrying undercurrent of anti-Semitism that is festering just beneath the surface of today's Momentum-dominated Labour movement.
Corbyn said the event was "a celebration of Passover, which I celebrate with young Jewish people from my own community and my own constituency", the Guardian reported.
"And Corbyn must know that meeting them now will give his members the message that the group's extreme views are ok".
The leading Jewish communal bodies had encouraged their community to take to the streets to protest widespread anti-Semitism in the Labour Party.
Meanwhile, the chairman of the Campaign Against Anti-Semitism, Gideon Falter, said Mr Corbyn's claims to remedy anti-Semitism within the party and his appearance at this meeting made him a "duplicitous" man.
The party's new general secretary Jennie Formby, said in an email to Labour members that the "stain" of anti-Semitic attitudes "must be completely eradicated" within the party.
Tim Cook says privacy is a human right and civil liberty
He goes on to admit that Apple could "make a ton of money if we monetized our customer". "We've elected not to do that", he continued.
Jewdas accused the Board of Deputies, Jewish Leadership Council and Jewish Labour Movement of "playing a risky game with people's lives".
Mr Arkush also claimed Jewdas are "not all Jewish" and branded the group "lifelong campaigners against the Jewish community to whom they show the upmost disregard and contempt".
Jewdas are critics of the two groups and recently accused them of "playing a unsafe game with people's lives".
Sir David Garrard, who donated nearly £2m to Labour in the 18 months before the 2015 general election, left Labour over the weekend as the party remains embroiled in an anti-Semitism row. "Isn't that a good thing?"
This is deliberately baiting the mainstream Jewish community days after they pleaded with him to tackle antisemitism.
Jon Lansman, founder of Momentum, a grassroots organizations responsible for Corbyn's surging support defended the leader and said "I think the important thing is that Jeremy is seeking to meet with mainstream Jewish organizations".
MP John Woodcock said Mr Corbyn's attendance at the event was "irresponsible and dangerous", while the Jewish Labour Movement (JLM) also hit out at the party leader.
Simply: "Great that there's so much interest in our work..."