Witnesses say several people were involved in an altercation that began in an alley next to Pizza Port in the 500 block of Carlsbad Village Drive around 8:45 p.m.
Police found the 26-year-old man with several stab wounds in the rear parking lot of the business. He was transported to the hospital with minor injuries, treated and released.
The investigation is ongoing. Anyone with information about the incident is asked to call Carlsbad police Sergeant Darbie Ernst at 760-931-2139.