EUVD-2026-8891

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, DM communication-preference bypass when adding members via Chat::AddUsersToChannel — a user could add targets who have blocked/ignored/muted them to an existing DM channel, bypassing per-recipien...

CVE-2026-27152 DIscourse has DM communication-preference bypass when adding members

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, DM communication-preference bypass when adding members via Chat::AddUsersToChannel — a user could add targets who have blocked/ignored/muted them to an existing DM channel, bypassing per-recipien...

kernel: cifs: Fix xid leak in cifs_ses_add_channel()

A transaction ID xid leak was found in the CIFS/SMB filesystem. When adding a new channel fails, the allocated xid is not freed, leading to gradual exhaustion of the xid pool...

kernel: cifs: Fix xid leak in cifs_ses_add_channel()

A transaction ID xid leak was found in the CIFS/SMB filesystem. When adding a new channel fails, the allocated xid is not freed, leading to gradual exhaustion of the xid pool...