CVE-2018-10933

POC do CVE-2018-10933 Uma vulnerabilidade foi encontrada na máquina de estado do lado do servidor do libssh antes das versões 0.7.6 e 0.8.4. Um cliente malicioso poderia criar canais sem primeiro realizar a autenticação, resultando em acesso não autorizado. Uso : root@kitploit: python3 libssh.py ...

cve-2018-10933

CVE-2018-10933 CVE-2018-10933 bypass dell'autenticazione libssh, un container Docker vulnerabile che resta in ascolto sulla porta 2222 per lo sfruttamento. Nel container è inclusa una patch proof-of-concept di base per libssh che bypassa l'autenticazione. Per accedere usare le credenziali...

CVE-2018-10933

CVE-2018-10933 Una vulnerabilità è stata trovata nella macchina a stati lato server di libssh prima delle versioni 0.7.6 e 0.8.4. Un client malintenzionato potrebbe creare canali senza prima eseguire l'autenticazione, ottenendo accesso non autorizzato. ALCUNI DETTAGLI Il problema deriva dal modo ...

CVE-2026-18798

Issue summary: QUIC server may double free QRX QUIC record layer RX object when channel creation fails for initial packet. Impact summary: Double free leads to heap corruption, which typically results in termination of QUIC server process, leading to Denial of Service. There is so far no evidence...

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 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...

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...

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...