In KDE libksieve before 23.03.80, kmanagesieve/session.cpp places a cleartext password in server logs because a username variable is accidentally given a password value.
https://www.openwall.com/lists/oss-security/2024/04/25/1
https://lists.debian.org/debian-lts-announce/2024/05/msg00004.html
https://invent.kde.org/pim/libksieve/-/tags/v23.03.80
https://invent.kde.org/pim/libksieve/-/commit/6b460ba93ac4ac503ba039d0b788ac7595120db1