gitoxide: CommandForbiddenInModulesConfiguration Bypass in gix_submodule::File::update() Enables Arbitrary Command Execution via .gitmodules

Summary gixsubmodule::File::update is the API that gates whether an attacker-supplied .gitmodules file may set update = !. The function is designed to return ErrCommandForbiddenInModulesConfiguration unless the !command value came from a trusted local source .git/config. Git CVE CVE-2019-19604...

PT-2026-43251

Name of the Vulnerable Software and Affected Versions gix-submodule versions prior to 0.29.0 gitoxide versions prior to 0.5.21 gix versions prior to 0.84.0 Description Incorrect validation of the update field in .gitmodules allows attackers to bypass the CommandForbiddenInModulesConfiguration gua...