CVE-2026-50416-writeup-and-poc

CVE-2026-50416: One QWORD Too Many in the Desktop Heap On Windows 11 Insider build 10.0.28020.2149, the user mode mapping of the Win32k desktop heap exposed a raw kernel session pool pointer at offset 0x100. The read itself is almost offensively small: ULONG64 leaked = ULONG64 desktopheap + 0x100...

CVE-2026-73175

Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of...

CVE-2026-73175

Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of...

EUVD-2026-80724

Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of...

CVE-2026-73175

Nozomi Networks Labs identified a CWE-400 (Uncontrolled Resource Consumption) vulnerability in the OPC UA gateway component of the Advantech EKI-1242EIMS industrial Ethernet switch running firmware V1.06.01 . An adjacent unauthenticated attacker can exhaust the server session pool by opening mult...

PT-2026-93725

Name of the Vulnerable Software and Affected Versions Advantech EKI-1242EIMS version V1.06.01 Description The OPC UA gateway component contains an uncontrolled resource consumption issue. An unauthenticated adjacent attacker can open multiple anonymous sessions to exhaust the server session pool,...

Open WebUI: Unauthenticated WebSocket Access to Collaborative Document Handlers (ydoc:awareness:update, ydoc:document:leave)

SummaryThe Socket.IO server is configured with alwaysconnect=True lines 78, 91 in backend/openwebui/socket/main.py and the connect handler line 329 never rejects unauthenticated connections. Two Ydoc event handlers have zero authentication checks, allowing unauthenticated clients to interact with...

Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access Affected ComponentSocket.IO session state and role-check callsites:- backend/openwebui/socket/main.py lines 330-351, connect handler — role snapshotted into SESSIONPOOL- backend/openwebui/socket/main.py lines...

PYSEC-2026-2697 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access Affected Component Socket.IO session state and role-check callsites: - backend/openwebui/socket/main.py lines 330-351, connect handler — role snapshotted into SESSIONPOOL - backend/openwebui/socket/main.py lin...

CVE-2026-10654

The CVE-2026-10654 issue is a race in Zephyr’s Bluetooth Classic RFCOMM host stack (subsys/bluetooth/host/classic/rfcomm.c): when one side initiates a session teardown and the peer simultaneously sends a DISC for DLCI 0, rfcomm_handle_disc() forces the session to DISCONNECTED without calling bt_l...

CVE-2026-10654 RFCOMM session-disconnect race leaks session/L2CAP and denies further RFCOMM service in Zephyr Bluetooth Classic

A race condition in the Zephyr Bluetooth Classic RFCOMM host stack subsys/bluetooth/host/classic/rfcomm.c mishandles a simultaneous bidirectional session disconnect. When the local device has initiated a session teardown state BTRFCOMMSTATEDISCONNECTING, DISC sent, RTX timer armed and the connect...

CVE-2026-10654 RFCOMM session-disconnect race leaks session/L2CAP and denies further RFCOMM service in Zephyr Bluetooth Classic

A race condition in the Zephyr Bluetooth Classic RFCOMM host stack subsys/bluetooth/host/classic/rfcomm.c mishandles a simultaneous bidirectional session disconnect. When the local device has initiated a session teardown state BTRFCOMMSTATEDISCONNECTING, DISC sent, RTX timer armed and the connect...

PT-2026-53913

A race condition in the Zephyr Bluetooth Classic RFCOMM host stack subsys/bluetooth/host/classic/rfcomm.c mishandles a simultaneous bidirectional session disconnect. When the local device has initiated a session teardown state BT RFCOMM STATE DISCONNECTING, DISC sent, RTX timer armed and the...

CVE-2026-44553 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, administrative role changes and user deletions do not iterate SESSIONPOOL to disconnect affected sessions. As a result, a user whose admin role has been revoked retains admin...

CVE-2026-44553

Open WebUI (self-hosted offline AI) has a Socket.IO session cache vulnerability where admin role changes or user deletions are not propagated to active sessions. Prior to version 0.9.0, a user whose admin role was revoked can retain admin privileges within their existing Socket.IO session as long...

CVE-2026-44553 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, administrative role changes and user deletions do not iterate SESSIONPOOL to disconnect affected sessions. As a result, a user whose admin role has been revoked retains admin...

CVE-2026-44553 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, administrative role changes and user deletions do not iterate SESSIONPOOL to disconnect affected sessions. As a result, a user whose admin role has been revoked retains admin...

Incorrect Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Authorization in the SESSIONPOOL process. An attacker can maintain unauthorized access to other users' notes and modify their content by keeping an active Socket.IO session after their administrativ...

PT-2026-39270

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description Administrative role changes and user deletions do not trigger the disconnection of affected sessions in the SESSION POOL. When a user connects via Socket.IO, their role is snapshotted into the...

Linux Distros Unpatched Vulnerability : CVE-2025-32441

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Rack is a modular Ruby web server interface. Prior to version 2.2.14, when using the Rack::Session::Pool middleware, simultaneous rack requests can restore a...