PYSEC-2026-1228 Calibre Web and Autocaliweb have a ReDoS vulnerability

ReDoS in stripwhitespaces function in cps/stringhelper.py in Calibre Web and Autocaliweb allows unauthenticated remote attackers to cause denial of service via specially crafted username parameter that triggers catastrophic backtracking during login. This issue affects Calibre Web: 0.6.24...