To what extent is it necessary to mention the isnad, and is it permissible to narrate hadiths in this manner?

The ruling on citing a Hadith is determined by two considerations:

First: The subject of discussion. In matters of creed and rulings, only the sound (Sahih) and good (Hasan) Hadiths are used, and there is no leniency for others. However, in matters of exhortation, heartwarming stories, virtues, and narratives, there is leniency in narrating a weak Hadith under certain conditions. Nevertheless, fabricated and forged Hadiths may not be cited at all, unless their condition is clarified.

Second: The source from which the Hadith is received. One who relies on trusted books like "Al-Targhib wa'l-Tarhib" is not like one who relies on snippets and non-specialized newspapers. Furthermore, the majority of scholars permit narrating Hadith by meaning for one who is proficient in the language and is confident that the meanings will not be altered.

In all cases, caution, vigilance, and verification must be exercised when reporting from the Messenger of Allah, peace and blessings be upon him, for he said: "Whoever narrates from me that which I have not said, let him prepare his seat in the Hellfire." Ibn Mas'ud, may Allah be pleased with him, was extremely precise in transmitting Hadith.