there is nothing more permanent than a temporary solution
Short-term provisions tend to gain traction and become difficult to remove.
adj
Not permanent; existing only for a period or periods of time.
Sally was put in temporary charge of the department while they searched for a full-time replacement.
Existing only for a short time or short times.
noun
One serving for a limited time; a short-term employee, especially in an office.
A short-term variable used to store an intermediate result.