Abu Ja'far al-'Uqayli: There is some illusion in his hadith
Abu Hatim al-Razi: He is not strong, and there is confusion in his hadith
Abu Hatim ibn Hibban al-Busti: He narrates rejected hadiths, it is not permissible to use him as a reference if he is alone
Ahmad ibn Hanbal: He used to write hadith from him
Ibn Hajar al-'Asqalani: Weak
Authors of Tahdhib al-Tahdhib: Weak, considered in corroborations and evidences, and the study of his biography indicates that he was not very weak