Crystal Joy Coleman, 22, of the 6700 block of Vaughn Road, Fayetteville, was in the Cumberland County Detention Center after her arrest on an outstanding warrant from Georgia.
Investigators said that while in prison, Coleman told another inmate about her stash.
Detention deputies said they conducted a body cavity search and found the pot. Coleman was charged with one count of felony possession of a controlled substance on jail property.
She was released on a $1,000 bond.