From late 2002 to 2003, it was very much the international consensus that Iraq might have active WMD programs. The Security Council never authorized a war, but

From late 2002 to 2003, it was very much the international consensus that Iraq might have active WMD programs. The Security Council never authorized a war, but they did issue a unanimous resolution declaring that Iraq was in violation of its disarmament obligations and offering "a final opportunity to comply".