47 matches found
CVE-2026-74608
A flaw was found in the Server Message Block SMB client of the Linux kernel. A use-after-free vulnerability exists in the cifstryaddingchannels function. This occurs when a concurrent interface list refresh removes a reference to an interface while a channel creation is in progress and fails,...
CVE-2026-74608
In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifstryaddingchannels cifstryaddingchannels takes a temporary reference to an interface before dropping ifacelock. If cifssesaddchannel fails, it drops that reference and then increments...
Server-side Request Forgery (SSRF)
Overview phanan/koel is a personal audio streaming service. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the createPodcastChannel.view process. An attacker can cause the server to initiate HTTP requests to internal or private network resources by...
Koel: Authenticated Blind SSRF via Subsonic Podcast Channel Creation
Summary Koel v9.6.0 protects the regular podcast subscription API with SafeUrl, but the Subsonic-compatible createPodcastChannel.view route does not apply the same protection. An authenticated user can supply a private URL and cause Koel to fetch it server-side during podcast parsing. This was...
EUVD-2026-40430
Capgo before 12.128.2 contains an authorization bypass vulnerability in the channel creation endpoint that allows authenticated users to overwrite existing channels by reusing their names. Attackers with app.createchannel permission can exploit a logic mismatch between existence validation and...
CVE-2026-56249
Capgo before 12.128.2 contains an authorization bypass vulnerability in the channel creation endpoint that allows authenticated users to overwrite existing channels by reusing their names. Attackers with app.createchannel permission can exploit a logic mismatch between existence validation and...
CVE-2026-56249 Capgo - Unauthorized Channel Overwrite and Ownership Takeover via POST /channel Name Collision
Capgo before 12.128.2 contains an authorization bypass vulnerability in the channel creation endpoint that allows authenticated users to overwrite existing channels by reusing their names. Attackers with app.createchannel permission can exploit a logic mismatch between existence validation and...
CVE-2026-56249 Capgo - Unauthorized Channel Overwrite and Ownership Takeover via POST /channel Name Collision
Capgo before 12.128.2 contains an authorization bypass vulnerability in the channel creation endpoint that allows authenticated users to overwrite existing channels by reusing their names. Attackers with app.createchannel permission can exploit a logic mismatch between existence validation and...
CVE-2026-56249
Capgo before 12.128.2 has an authorization bypass in the channel creation endpoint that lets authenticated users overwrite existing channels by reusing names. Attackers with app.create_channel permission can exploit a logic mismatch between existence validation and upsert operations to reassign c...
BIT-DISCOURSE-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...
CVE-2024-39837
Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create arbitrary channels, when shared channels were enabled...
EUVD-2018-13769
Malware in sbrugna...
EUVD-2024-2667
Malicious code in bioql PyPI...
CVE-2025-8285 Unauthorized Channel Subscription Creation in Mattermost Confluence Plugin
Mattermost Confluence Plugin version 1.5.0 fails to check the access of the user to the channel which allows attackers to create channel subscription without proper access to the channel via API call to the create channel subscription endpoint...
CVE-2018-21256
An issue was discovered in Mattermost Server before 5.1. It allows attackers to bypass intended access restrictions for group-message channel creation via the Group message slash command...
CVE-2025-47930
Zulip is an open-source team chat application. Starting in version 10.0 and prior to version 10.3, the "Who can create public channels" access control mechanism can be circumvented by creating a private or web-public channel, and then changing the channel privacy to public. A similar technique...
CVE-2025-47930 Zulip Server has access control bypass for restrictions on creation of specific channel types
Zulip is an open-source team chat application. Starting in version 10.0 and prior to version 10.3, the "Who can create public channels" access control mechanism can be circumvented by creating a private or web-public channel, and then changing the channel privacy to public. A similar technique...
CVE-2025-47930
Zulip Server vulnerability CVE-2025-47930 affects versions 10.0–10.2, where the access control for creating certain channel types can be bypassed by creating a private or web-public channel and then changing its privacy to public (and a similar method to create private channels without permission...
Zulip 安全漏洞
Zulip is a powerful open-source group chat application from Zulip, Inc. for combining the immediacy of real-time chat with the productivity benefits of threaded conversations. A security vulnerability exists in Zulip versions prior to 10.0 to 10.3, which stems from a channel creation permission...