Note Mark: Path traversal via unsanitized book/note slug in migrate export (sibling of GHSA-g49p)

Summary Note Mark validates book and note slug values with the OpenAPI/huma tag pattern:"a-z0-9-+". huma compiles this with regexp.MustCompiles.Pattern and tests it with patternRe.MatchStringstr, an UNANCHORED match. Because the pattern is not anchored ^...$, any string that merely CONTAINS one...

PT-2026-56842

Name of the Vulnerable Software and Affected Versions Note Mark versions prior to 0.19.5 Description An authenticated user can perform a path traversal attack by providing a specially crafted slug value when creating a book or note. The application uses an unanchored regular expression a-z0-9-+ f...