Contradiction with John 7:4
John 7:4 talks about showing oneself to the world, while John 7:26 discusses speaking openly.
John 7:4: For [there is] no man [that] doeth any thing in secret, and he himself seeketh to be known openly. If thou do these things, shew thyself to the world.
Contradiction with John 7:13
This verse mentions that no one was speaking openly of Jesus for fear of the Jews, which contrasts with John 7:26 stating that Jesus speaks boldly.
John 7:13: Howbeit no man spake openly of him for fear of the Jews.
Contradiction with John 7:12
John 7:12 describes people murmuring and differing in opinion about Jesus, contrary to the open acceptance in John 7:26.
John 7:12: And there was much murmuring among the people concerning him: for some said, He is a good man: others said, Nay; but he deceiveth the people.
Contradiction with John 7:30
Here, they sought to take him, suggesting opposition, while John 7:26 suggests they do not oppose him openly.
John 7:30: Then they sought to take him: but no man laid hands on him, because his hour was not yet come.