Abu al-Abbas ibn 'Uqdah al-Kufi: There is an issue with him
Ibn Hajar al-'Asqalani: Saduq (truthful) but there is something in his memorization
al-Dhahabi: There is something to be said about him
The authors of Tahrir Taqrib al-Tahdhib: Saduq Hasan al-Hadith