CVE-2026-45350 Open WebUI: Chat completion API allows tool restrictions to be bypassed

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.6, there is a vulnerability in chat completion API, which allows attackers to bypass tool restrictions, potentially enabling unauthorized actions or access. In the chatcompletion API, t...

CVE-2026-45350

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.6, there is a vulnerability in chat completion API, which allows attackers to bypass tool restrictions, potentially enabling unauthorized actions or access. In the chatcompletion API, t...

CVE-2026-45350 Open WebUI: Chat completion API allows tool restrictions to be bypassed

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.6, there is a vulnerability in chat completion API, which allows attackers to bypass tool restrictions, potentially enabling unauthorized actions or access. In the chatcompletion API, t...

CVE-2026-45395

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint POST /api/v1/tools/id/id/update is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been...

CVE-2026-45395 Open WebUI: Missing `workspace.tools` Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint POST /api/v1/tools/id/id/update is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been...

CVE-2026-45395 Open WebUI: Missing `workspace.tools` Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint POST /api/v1/tools/id/id/update is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been...

CVE-2026-45395

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint POST /api/v1/tools/id/id/update is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been...

CVE-2026-45395

Summary: CVE-2026-45395 (Open WebUI) is a missing authorization check on the tool update endpoint. Before 0.9.5, POST /api/v1/tools/id/{id}/update validates only a write-grant for the tool and does not enforce the workspace.tools permission, unlike the create endpoint which requires workspace.too...

CVE-2026-45395 Open WebUI: Missing `workspace.tools` Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint POST /api/v1/tools/id/id/update is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been...

CVE-2026-34253

A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in remote.c. This vulnerability occurs in the remote control functionality when processing malformed input, leading to a stack buffer underflow that can cause...

DEBIAN-CVE-2026-34253

A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in remote.c. This vulnerability occurs in the remote control functionality when processing malformed input, leading to a stack buffer underflow that can cause...

CVE-2026-34253

A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in remote.c. This vulnerability occurs in the remote control functionality when processing malformed input, leading to a stack buffer underflow that can cause...

UBUNTU-CVE-2026-34253

A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in remote.c. This vulnerability occurs in the remote control functionality when processing malformed input, leading to a stack buffer underflow that can cause...

Raising the bar: Quality, shared responsibility, and the future of GitHub’s bug bounty program

The security research community is one of GitHub's greatest assets. Every year, researchers from around the world help us find and fix vulnerabilities, making the platform safer for over 180 million developers. Our bug bounty program exists because we believe that collaboration with external...

What 45 Days of Watching Your Own Tools Will Tell You About Your Real Attack Surface

In Your Biggest Security Risk Isn't Malware — It's What You Already Trust , we made a simple argument: the most dangerous activity inside most organizations no longer looks like an attack. It looks like administration. PowerShell, WMIC, netsh, Certutil, MSBuild — the same trusted utilities your I...

CVE-2026-8398

A supply chain attack compromised the official installation packages of DAEMON Tools Lite Windows versions 12.5.0.2421 through 12.5.0.2434, distributed from the legitimate website daemon-tools.cc between approximately April 8, 2026, and May 5, 2026. Attackers gained unauthorized access to the...

CVE-2026-8398

The CVE-2026-8398 entry concerns a supply-chain compromise of DAEMON Tools Lite Windows installers (versions 12.5.0.2421–12.5.0.2434) distributed via daemon-tools.cc. Attackers allegedly gained access to AVB Disc Soft’s build/distribution infrastructure and trojanized three binaries—DTHelper.exe,...

CVE-2026-8398

A supply chain attack compromised the official installation packages of DAEMON Tools Lite Windows versions 12.5.0.2421 through 12.5.0.2434, distributed from the legitimate website daemon-tools.cc between approximately April 8, 2026, and May 5, 2026. Attackers gained unauthorized access to the...

CVE-2026-8398

A supply chain attack compromised the official installation packages of DAEMON Tools Lite Windows versions 12.5.0.2421 through 12.5.0.2434, distributed from the legitimate website daemon-tools.cc between approximately April 8, 2026, and May 5, 2026. Attackers gained unauthorized access to the...

CVE-2026-8398

A supply chain attack compromised the official installation packages of DAEMON Tools Lite Windows versions 12.5.0.2421 through 12.5.0.2434, distributed from the legitimate website daemon-tools.cc between approximately April 8, 2026, and May 5, 2026. Attackers gained unauthorized access to the...