fix: CourseLimitedStaffRole should not be able to access studio. #311
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We previously fixed this when the CourseLimitedStaffRole was applied to a course but did not handle the case where the role is applied to a user for a whole org. The underlying issue is that the CourseLimitedStaffRole is a subclass of the CourseStaffRole and much of the system assumes that subclesses are for giving more access not less access. To prevent that from happening for the case of the CourseLimitedStaffRole, when we do CourseStaffRole access checks, we use the strict_role_checking context manager to ensure that we're not accidentally granting the limited_staff role too much access.
magajh
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Jan 7, 2026
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This is a backport from the following commit: openedx@ea63816
If you want to read farther information, you can refer to the following security issue: GHSA-rh64-vc2h-7wfj