CVE-2026-10106 Unauthorized users can trigger interactive post actions in private channels via action cookie channel mismatch in Mattermost

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in th...

CVE-2026-59215 Open WebUI: Private channel messages can be disclosed through cross-channel thread parent_id binding

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread parent and reply handling did not bind parentid to the channel in the URL, allowing an authenticated user to reference a message from another private or DM channel and disclose...

CVE-2026-59215 Open WebUI: Private channel messages can be disclosed through cross-channel thread parent_id binding

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread parent and reply handling did not bind parentid to the channel in the URL, allowing an authenticated user to reference a message from another private or DM channel and disclose...

CVE-2026-2299

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

EUVD-2026-39540

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

CVE-2026-2299

CVE-2026-2299 affects the Mattermost Google Drive plugin prior to version 1.1.0. The file creation endpoint does not validate channel membership, allowing authenticated users with a connected Google account to share Google Drive files into unauthorized private channels and disclose private channe...

CVE-2026-2299 Improper Access Control in Mattermost Google Drive Plugin File Creation Endpoint

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

CVE-2026-2299

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

CVE-2026-2299 Improper Access Control in Mattermost Google Drive Plugin File Creation Endpoint

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership...

PT-2026-52566

Name of the Vulnerable Software and Affected Versions Mattermost Google Drive plugin versions prior to 1.1.0 Description An improper access control issue exists where the plugin fails to validate channel membership in the file creation endpoint. This allows authenticated users with a connected...

CVE-2026-56322

Capgo before 12.128.2 contains an information disclosure vulnerability in the unauthenticated /updates endpoint that resolves the defaultChannel parameter before enforcing privacy restrictions, allowing attackers to enumerate private channels and leak version/config state. Unauthenticated attacke...

EUVD-2026-38438

Capgo before 12.128.2 contains an information disclosure vulnerability in the unauthenticated /updates endpoint that resolves the defaultChannel parameter before enforcing privacy restrictions, allowing attackers to enumerate private channels and leak version/config state. Unauthenticated attacke...

CVE-2026-56322 Capgo - Information Disclosure via Unauthenticated /updates defaultChannel Parameter

Capgo before 12.128.2 contains an information disclosure vulnerability in the unauthenticated /updates endpoint that resolves the defaultChannel parameter before enforcing privacy restrictions, allowing attackers to enumerate private channels and leak version/config state. Unauthenticated attacke...

CVE-2026-56322 Capgo - Information Disclosure via Unauthenticated /updates defaultChannel Parameter

Capgo before 12.128.2 contains an information disclosure vulnerability in the unauthenticated /updates endpoint that resolves the defaultChannel parameter before enforcing privacy restrictions, allowing attackers to enumerate private channels and leak version/config state. Unauthenticated attacke...

CVE-2026-56322

Capgo before 12.128.2 contains an information disclosure vulnerability in the unauthenticated /updates endpoint that resolves the defaultChannel parameter before privacy restrictions, enabling enumeration of private channels and leakage of version/config state. Unauthenticated attackers can probe...

CVE-2026-47176

Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.4, a user who can configure bot settings can enable logging and choose a logging channel they can read. The bot then logs deleted and edited message contents from every channel it can...

EUVD-2026-36276

Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.4, a user who can configure bot settings can enable logging and choose a logging channel they can read. The bot then logs deleted and edited message contents from every channel it can...

CVE-2026-47176 Quest Bot: Logging module can disclose private-channel message contents to a lower-visibility log channel

Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.4, a user who can configure bot settings can enable logging and choose a logging channel they can read. The bot then logs deleted and edited message contents from every channel it can...

CVE-2026-47176

CVE-2026-47176 affects the Quest Bot (open-source Discord bot) prior to version 1.0.4. The vulnerability arises in the logging module: a user who can configure bot settings can enable logging and select a logging channel they can read, which allows the bot to log deleted and edited message conten...

PT-2026-48715

Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.4, a user who can configure bot settings can enable logging and choose a logging channel they can read. The bot then logs deleted and edited message contents from every channel it can...