CVE-2026-44779 Discourse: Bot debug endpoints disclose whisper translation audit logs

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, bot debug endpoints disclose whisper translation audit logs. This issue has been patched in versions 2026.1.4, 2026.3.1,...

EUVD-2026-36583

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, bot debug endpoints disclose whisper translation audit logs. This issue has been patched in versions 2026.1.4, 2026.3.1,...

CVE-2026-44779 Discourse: Bot debug endpoints disclose whisper translation audit logs

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, bot debug endpoints disclose whisper translation audit logs. This issue has been patched in versions 2026.1.4, 2026.3.1,...

CVE-2026-44779 Discourse: Bot debug endpoints disclose whisper translation audit logs

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, bot debug endpoints disclose whisper translation audit logs. This issue has been patched in versions 2026.1.4, 2026.3.1,...

Mattermost doesn't validate that a username returned during bot registration belongs to a bot account

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

GHSA-3VMP-WHVV-5V9V Mattermost doesn't validate that a username returned during bot registration belongs to a bot account

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the bot registration process. An attacker can intercept private messages sent by plugins by pre-registering a user account with a predictable bot username. Remediation Upgrade...

Information Exposure

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Information Exposure via the bot registration process. An attacker can intercept private messages sent by plugins by pre-registering a user accoun...

CVE-2026-6046

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

CVE-2026-6046 Plugin bot username conflict allows user account to be used as bot identity in Mattermost Server

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

CVE-2026-6046

Mattermost CVE-2026-6046 affects multiple releases: 11.6.x up to 11.6.1, 11.5.x up to 11.5.4, and 10.11.x up to 10.11.16. The vulnerability arises from failing to validate that a username returned during bot registration belongs to a bot account, enabling an unprivileged attacker to intercept pri...

CVE-2026-6046 Plugin bot username conflict allows user account to be used as bot identity in Mattermost Server

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

CVE-2026-6046 Plugin bot username conflict allows user account to be used as bot identity in Mattermost Server

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

EUVD-2026-36502

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

CVE-2026-49347

Quest Bot is an opensource Discord Bot. Prior to version 1.1.8, any user who can access the ticket panel can repeatedly create new ticket channels. The latest release still creates a new database ticket and Discord channel for every completed ticket modal submission, without checking whether the...

CVE-2026-48485

Quest Bot is an opensource Discord Bot. Prior to version 1.1.6, the latest release suppresses mentions when creating, unbanning, unwarning, kicking, muting, and unmuting, but stored warning reasons are still printed by /warns without mention suppression. A moderator can create a warning with...

CVE-2026-47197

Quest Bot is an opensource Discord Bot. Prior to version 1.1.6, a moderator with the relevant Discord permission bit can use the bot to moderate users above them in the Discord role hierarchy, as long as the bot itself outranks the target. This bypasses Discord’s normal role hierarchy protections...

CVE-2026-47196

Quest Bot is an opensource Discord Bot. Prior to version 1.1.6, the automod add command trims user input but does not reject an empty result. Adding a rule containing only whitespace stores an empty word. The message listener later checks content.includes"", which is always true, causing the bot ...

CVE-2026-47195

Quest Bot is an opensource Discord Bot. Prior to version 1.1.6, the purge and slowmode commands check only guild-level permissions on the invoking member. They do not check the member’s effective permissions in the channel where the command is run. A user denied channel-level moderation permissio...

CVE-2026-49347

CVE-2026-49347 affects Quest Bot (Discord bot). Before v1.1.8, any user who can access the ticket panel could repeatedly create new ticket channels; the system did not enforce a per-user open-ticket limit or cooldown. The issue persists in that the latest release still creates a new database tick...