Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Summary Any authenticated user with access to a terminal server could get script of their choosing to run in the Open WebUI origin itself. The HTML file preview rendered terminal-served files in an iframe whose sandbox always granted allow-same-origin alongside allow-scripts, and the file is serv...

CVE-2026-70486 Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with allow-scripts for HTML files served from the application origin. Any authenticated user wi...

EUVD-2026-52893

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with allow-scripts for HTML files served from the application origin. Any authenticated user wi...

CVE-2026-70486

Open WebUI (self-hosted AI platform) versions 0.9.0–0.11.0 contain a Same-Origin/XSS risk in the terminal file-preview iframe: the serveUrl iframe branch granted allow-same-origin and allow-scripts for HTML files from the app origin, enabling an authenticated user with terminal server access to r...

CVE-2026-70486

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with allow-scripts for HTML files served from the application origin. Any authenticated user wi...

Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Summary The OAuth token exchange endpoint accepts a raw provider access token and validates it by calling the provider's userinfo endpoint. A userinfo endpoint reports only that a token is valid, never which OAuth client it was issued to, and the endpoint performed no audience or client check of...

CVE-2026-70482

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.0, when ENABLEOAUTHTOKENEXCHANGE=True, /oauth/provider/token/exchange accepts a raw provider access token and validates it by calling the provider userinfo endpoint without confirming which...

CVE-2026-70482

Open WebUI (self-hosted AI platform) versions 0.8.0–0.11.0 are affected. When ENABLE_OAUTH_TOKEN_EXCHANGE is true, /oauth/{provider}/token/exchange accepts a raw provider access token and validates it via the provider’s userinfo endpoint without confirming which OAuth client issued the token. As ...

CVE-2026-69703

Atlas-Livre contains an improper access control vulnerability in the admin controllers under Espaceadmin/controleur/ that allows unauthenticated attackers to bypass session-based authentication guards by sending raw HTTP requests that ignore redirects. Attackers can invoke destructive admin actio...

CVE-2026-69703

CVE-2026-69703 affects Atlas-Livre. An improper access-control flaw in admin controllers (Espace_admin/controleur/) allows unauthenticated users to bypass session guards by sending raw HTTP requests that ignore redirects. The header() redirect is not followed by exit/die, allowing subsequent code...

CVE-2026-69703

Atlas-Livre contains an improper access control vulnerability in the admin controllers under Espaceadmin/controleur/ that allows unauthenticated attackers to bypass session-based authentication guards by sending raw HTTP requests that ignore redirects. Attackers can invoke destructive admin actio...

CVE-2026-69703 Atlas-Livre Unauthenticated Access via Admin Controllers Missing Exit

Atlas-Livre contains an improper access control vulnerability in the admin controllers under Espaceadmin/controleur/ that allows unauthenticated attackers to bypass session-based authentication guards by sending raw HTTP requests that ignore redirects. Attackers can invoke destructive admin actio...

CVE-2026-69703 Atlas-Livre Unauthenticated Access via Admin Controllers Missing Exit

Atlas-Livre contains an improper access control vulnerability in the admin controllers under Espaceadmin/controleur/ that allows unauthenticated attackers to bypass session-based authentication guards by sending raw HTTP requests that ignore redirects. Attackers can invoke destructive admin actio...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the HTTP/2 handling process when nghttp2sessionmemsend is called re-entrantly during the execution of nghttp2sessionmemrecv. An attacker can cause a heap-use-after-free condition by triggering concurrent or re-entrant...

BASM (Broken Authentication & Session Management) org.eclipse.jetty:jetty-security Dependency in Crucible Server

This High severity BASM Broken Authentication & Session Management vulnerability was introduced in version 4.9.0 of Crucible Server. This BASM Broken Authentication & Session Management vulnerability, with a CVSS Score of 8.7 and a CVSS Vector of...

nanoid: nanoid: Predictable ID generation due to integer overflow

A flaw was found in nanoid, a JavaScript library for generating unique string IDs. A remote attacker could exploit an integer overflow vulnerability by providing a specific input to the nanoidsize function. This issue causes the internal random number generator to become predictable, leading to t...

CVE-2026-24078

Information Disclosure when IPSec negotiation fails or is not established properly during NG-eCall SIP signaling...

EUVD-2026-52763

A flaw in Node.js HTTP/2 handling allows nghttp2sessionmemsend to be called re-entrantly while nghttp2sessionmemrecv is executing, resulting in a heap-use-after-free. This vulnerability affects Node.js 26.x, 24.x, and 22.x...

CVE-2026-56848

A flaw in Node.js HTTP/2 handling allows nghttp2sessionmemsend to be called re-entrantly while nghttp2sessionmemrecv is executing, resulting in a heap-use-after-free. This vulnerability affects Node.js 26.x, 24.x, and 22.x...

CVE-2026-56848

CVE-2026-56848 affects Node.js 22.x/24.x/26.x. The vulnerability arises from a heap-use-after-free caused by re-entrant nghttp2_session_mem_send() during nghttp2_session_mem_recv(). OSV/OpenSUSE entries show fixes: nodejs26-26.5.1-1.1 and corepack24-24.18.1-1.1 in GA media, with additional OSV De...