CVE-2018-10933

POC of CVE-2018-10933 A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access. Usage : python3 libssh.py -s SERVERADD -u USERNAME -c...

CVE-2018-10933

CVE-2018-10933 A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access. SOME DETAILS The issue comes from the way libssh doesn't maintain sta...

cve-2018-10933

CVE-2018-10933 CVE-2018-10933 omisión de autenticación de libssh, un contenedor Docker vulnerable que escucha en el puerto 2222 para explotación. Un parche básico de prueba de concepto de libssh incluido en el contenedor para omitir la autenticación. Para iniciar sesión use el "myuser" /...

Double Free

Overview Affected versions of this package are vulnerable to Double Free in QRX handling during channel creation failure. An attacker can trigger heap corruption and terminate the QUIC server process by sending a malformed INITIAL packet that makes portbindchannel fail after QRX allocation and...

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,...

AZL-97124 CVE-2026-74608 affecting package kernel for versions less than 6.6.152.1-1

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...

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...

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...

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...

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...

Open WebUI's Channel Access Grants Bypass filter_allowed_access_grants

Channel Access Grants Bypass filterallowedaccessgrants Affected ComponentChannel creation and update endpoints:- backend/openwebui/routers/channels.py lines 291-340, createnewchannel- backend/openwebui/routers/channels.py lines 617-638, updatechannelbyid- backend/openwebui/models/channels.py line...

PT-2026-59355

Channel Access Grants Bypass filter allowed access grants Affected Component Channel creation and update endpoints: - backend/open webui/routers/channels.py lines 291-340, create new channel - backend/open webui/routers/channels.py lines 617-638, update channel by id - backend/open...

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...

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: Improper Authorization

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...