CVE-2026-87584

Incorrect authorization in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87584

An incorrect authorization flaw in the WebUI component of Google Chrome prior to 153.0.8010.36 allows a remote attacker to bypass system access restrictions and gain unauthorized access to a privileged page within the browser's WebUI by serving a crafted HTML page . The vulnerability requires use...

CVE-2026-87584

Incorrect authorization in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-74418

Incorrect authorization in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87584

Incorrect authorization in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions into a privileged page via a crafted HTML page. Chromium security severity: Medium...

EUVD-2026-74317

Privilege elevation in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87506

Privilege elevation in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87506

Privilege elevation in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-87506

Google Chrome contained a privilege elevation vulnerability in the WebUI component prior to version 153.0.8010.36 . A remote attacker who had already compromised the renderer process could potentially execute arbitrary code outside the sandbox by delivering a crafted HTML page. The vulnerability ...

CVE-2026-87498

Google Chrome versions prior to 153.0.8010.36 contain a missing authorization flaw in the WebUI component. A remote attacker who had already compromised the renderer process could exploit a crafted HTML page to bypass the web origin policy . Chromium rates the severity as High , while the CNA-ass...

CVE-2026-87498

Missing authorization in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. Chromium security severity: High...

EUVD-2026-74518

Missing authorization in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. Chromium security severity: High...

CVE-2026-87498

Missing authorization in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. Chromium security severity: High...

PT-2026-89174

Summary The chat-completions endpoint reads a folder id out of the request body and saves the newly created chat into that folder without checking that the caller is allowed to write there. Any authenticated user who knows a folder's id can put a chat of their own into another user's folder,...

PT-2026-89176

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.1, POST /api/v1/retrieval/process/web and POST /api/v1/retrieval/process/web/search in backend/open webui/retrieval/web/utils.py treated Python's globally routable address classification as proof...

PT-2026-89159

Any authenticated user can suppress calendar alerts instance-wide via a non-numeric alert value Summary Calendar events carry a free-form meta object that is stored exactly as submitted, with no validation of the values inside it. The scheduler reads the per-event alert offset out of that object ...

PT-2026-89160

Summary Any authenticated user can move one of their own folders under itself, leaving a loop in their folder tree. The re-parent endpoint performed no check that the new parent was not the folder itself or one of its own subfolders, and the folder tree walks did not track which folders they had...

PT-2026-89162

Summary When more than one external tool server is reachable in the same request, a tool call to a server configured for bearer authentication can arrive carrying the calling user's Open WebUI session cookies alongside that server's own key. The cookie jar is built per connection, but the callabl...

Linux Distros Unpatched Vulnerability : CVE-2026-87506

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Privilege elevation in WebUI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute...

PT-2026-89175

Summary External knowledge connections are created and owned by administrators, and are shared by every external knowledge base bound to them. Deleting an external knowledge base also removed that connection from the instance configuration, with no check on the caller's role and no check for othe...