Contradiction with Matthew 5:3
This verse emphasizes the blessedness of being "poor in spirit," whereas 2 Corinthians 11:5 discusses boasting about spiritual authority and status.
Matthew 5:3: Blessed [are] the poor in spirit: for theirs is the kingdom of heaven.
Contradiction with Matthew 23:12
This verse states that those who exalt themselves will be humbled, contradicting the self-exaltation seen in 2 Corinthians 11:5.
Matthew 23:12: And whosoever shall exalt himself shall be abased; and he that shall humble himself shall be exalted.
Contradiction with Philippians 2:3
Encourages humility and esteem for others, contradicting the self-promotion in 2 Corinthians 11:5.
Philippians 2:3: [Let] nothing [be done] through strife or vainglory; but in lowliness of mind let each esteem other better than themselves.
Contradiction with James 4:6
States that God resists the proud, contradicting the boasting in apostolic authority in 2 Corinthians 11:5.
James 4:6: But he giveth more grace. Wherefore he saith, God resisteth the proud, but giveth grace unto the humble.