sagredo qmail before 2026.04.07 allows tls_quit remote code execution because of popen in notlshosts_auto in qmail-remote.c.Referenceshttps://blog.calif.io/p/we-asked-claude-to-audit-sagredoshttps://github.com/califio/publications/tree/main/MADBugs/qmailhttps://github.com/sagredo-dev/qmail/commit/749f607f6885e3d01b36f2647d7a1db88f1ef741https://github.com/sagredo-dev/qmail/releases/tag/v2026.04.07https://github.com/sagredo-dev/qmail/pull/42
