PYSEC-2026-918 sanic vulnerable to Path Traversal when using `app.static` if using encoded `%2F` URLs

Impact Access to lateral directories when using app.static if using encoded %2F URLs. Parent directory traversal is not impacted. Patches - v20.12.7 LTS - v21.12.2 LTS - v22.6.1 References https://github.com/sanic-org/sanic/issues/2478 https://github.com/sanic-org/sanic/pull/2495 For more...