SQL injection, path traversal, SSRF, and auth brute-force security fixes - #504

SQL injection, path traversal, SSRF, and auth brute-force security fixes#504

DeFiVC merged 6 commits into

ChainLearnOfficial:mainChainLearnOfficial/chainlearn-api:mainfrom

theladyanina:fix/chainlearn-api-assigned-batchtheladyanina/chainlearn-api:fix/chainlearn-api-assigned-batchCopy head branch name to clipboard