fix: validate region parameter before URL interpolation to prevent SSRF#5819
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lucasjia-aws wants to merge 1 commit intoaws:masterfrom
Open
fix: validate region parameter before URL interpolation to prevent SSRF#5819lucasjia-aws wants to merge 1 commit intoaws:masterfrom
lucasjia-aws wants to merge 1 commit intoaws:masterfrom
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Issue:
SDK constructs endpoint URLs by interpolating the region parameter directly into URL strings without validation. A malicious region value can cause requests to be redirected to non-AWS hosts.
Fix:
Added a centralized region_validation module with strict regex validation for region format, and applied
validate_region()at all affected endpoint URL construction sites acrosssagemaker-core,sagemaker-serve, andsagemaker-train.