CVE-2026-85272 Open edX Platform: Path traversal via prefix-bypass in safe_extractall Path Validation

Open edX Platform enables the authoring and delivery of online learning at any scale. From Aspen.1 until Ulmo and Verawood.1, openedx/core/lib/extractarchive.py uses isbadpath to validate safeextractall targets by comparing resolved path strings with startswith instead of comparing path component...