Al-Mu’jam al-‘Awsaṭ Ḥadīth [7015] – The Curse on Whoever Insults the Companions…
It is reported on the authority of 'Abdullāh ibn 'Umar (may Allāh be pleased with them both) that the Prophet (peace and blessings of Allāh be upon him) said: “The curse of Allāh is upon the one who insults my companions.”