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Announces a hotfix for CVE-2026-75650, a critical template engine vulnerability enabling unauthenticated remote code execution (CVSS 10) and known to be exploited. Lists affected 2.4.x and B2B releases and links to installation instructions.
Diff introduces SecurePathValidator to reject stream/writable paths during template rendering, blocks backend/adminhtml blocks in {{block}} directives, and neutralizes PHP tags in error reports. Also tightens DI/setup scanners and grid URL generator type checks to avoid unsafe class/path resolution.