CVE-2026-107568

Missing authorization in the Sieve notify action 6.2.22 through 6.3.6 and in the mail-rule Reply action 6.0.0 through 6.3.6 of Progressive Robot hMailServer allows an authenticated user to send mail through the server as any address. A Sieve notify sends a notification message, and its :from tag...

EUVD-2026-104407

Missing authorization in the Sieve notify action 6.2.22 through 6.3.6 and in the mail-rule Reply action 6.0.0 through 6.3.6 of Progressive Robot hMailServer allows an authenticated user to send mail through the server as any address. A Sieve notify sends a notification message, and its :from tag...

CVE-2026-107568

Progressive Robot hMailServer versions 6.2.22 through 6.3.6 are vulnerable to a missing authorization flaw in the Sieve notify action and the mail-rule Reply action. An authenticated user can craft a script or rule to send mail from any address because the server fails to verify if the specified ...

CVE-2026-107568 Missing Authorization in hMailServer

Missing authorization in the Sieve notify action 6.2.22 through 6.3.6 and in the mail-rule Reply action 6.0.0 through 6.3.6 of Progressive Robot hMailServer allows an authenticated user to send mail through the server as any address. A Sieve notify sends a notification message, and its :from tag...

PT-2026-117455

Missing authorization in the Sieve notify action 6.2.22 through 6.3.6 and in the mail-rule Reply action 6.0.0 through 6.3.6 of Progressive Robot hMailServer allows an authenticated user to send mail through the server as any address. A Sieve notify sends a notification message, and its :from tag...