Submission Details
Impact:
Likelihood:
Principal can bypass session requirements via direct upgradeToAndCall
Summary
The principal can upgrade the contract by calling upgradeToAndCall() directly, bypassing all business logic and payment requirements enforced by graduateAndUpgrade() function.
Impact
Principal lose their own pay
Teachers lose their wages
System upgrade happens without proper session completion
Tools Used
Manual review
Recommendations
Restrict upgradeToAndCall() to emergency use only.
Rewards breakdown
nSLOC
243This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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