Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization in the GET /api/tasks and POST /api/tasks/stop/taskid endpoints, which lack proper ownership checks. An attacker can enumerate and terminate background tasks belonging to other users by...

GHSA-H2CW-7QW9-56XR Open WebUI: Sharing models for others to use (read permission) also exposes model details (system prompt leakage)

Summary When setting model permissions so that a group has read access to it, intending for other users to use it, those users also can read the model's system prompt. However users may consider their system prompt confidential, so we consider this a security issue. Compare...

Open WebUI: Sharing models for others to use (read permission) also exposes model details (system prompt leakage)

Summary When setting model permissions so that a group has read access to it, intending for other users to use it, those users also can read the model's system prompt. However users may consider their system prompt confidential, so we consider this a security issue. Compare...

GHSA-V6QF-75PR-P96M Open WebUI: Authenticated users can bypass model access control via exposed query parameter [AI-ASSISTED]

Summary An internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypassfilter=true and bypass model access control checks to invoke admin-restricted models...

GHSA-JH9G-8JQW-M2QX Open WebUI Exposes System Prompt to Regular User [Non-Admin]

Summary A regular user non-admin can view the system prompt of the model which is set by an admin. Details When a regular user non-admin logs into the application, a http://IP:8080/api/models? web request is initiated by the application and in response, it reveals the system prompt of available...

Open WebUI Exposes System Prompt to Regular User [Non-Admin]

Summary A regular user non-admin can view the system prompt of the model which is set by an admin. Details When a regular user non-admin logs into the application, a http://IP:8080/api/models? web request is initiated by the application and in response, it reveals the system prompt of available...

Open WebUI has Broken Access Control for Completions API

Summary Any user X can continue the conversation of any other user Y, as long as the Chat ID of Y is known. User X does not even need to be an admin to do so. Details A user just needs to use the API endpoint: /api/chat/completions with their own API key generated in OWUI and the Chat ID of anoth...

GHSA-57Q6-FVP4-PQMM Open WebUI's API key endpoint restrictions bypassed via `x-api-key` header — full message processing on restricted endpoints

Summary Open WebUI allows admins to restrict which API endpoints an API key can access. When an API key is restricted from /api/v1/messages, requests using the Authorization: Bearer sk-... header are correctly blocked with 403. However, the same key sent via the x-api-key header bypasses the...

GHSA-R8WH-8M7R-FH33 Open WebUI: Missing permission check in files API allows authenticated users to list, access and delete every uploaded file

Summary A missing permission check in all files related API endpoints allows any authenticated user to list, access and delete every file uploaded by every user to the platform. Details All files/ related endpoints lack permission checks. Listing all files For example, let's see how file listing ...

CVE-2026-44661

python-utcp is the python implementation of UTCP. Prior to 1.1.3, the utcp-http plugin is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registermanual validates the discovery URL against an HTTPS /...

CVE-2026-44225

Pulpy is a lightweight, cross-platform desktop application packager for web apps. Prior to 0.1.1, Pulpy injects a pulpy.fs JavaScript API into every packaged web application, giving it access to the host filesystem. A validateFsPath function is supposed to sandbox this access, but its blocklist i...

CVE-2026-8539

Script injection in SanitizerAPI in Google Chrome on Android prior to 148.0.7778.168 allowed a remote attacker to inject arbitrary scripts or HTML UXSS via a crafted HTML page. Chromium security severity: High...

EUVD-2026-30451

Script injection in SanitizerAPI in Google Chrome on Android prior to 148.0.7778.168 allowed a remote attacker to inject arbitrary scripts or HTML UXSS via a crafted HTML page. Chromium security severity: High...

CVE-2026-8539

Script injection in SanitizerAPI in Google Chrome on Android prior to 148.0.7778.168 allowed a remote attacker to inject arbitrary scripts or HTML UXSS via a crafted HTML page. Chromium security severity: High...

CVE-2026-8539

Script injection in SanitizerAPI in Google Chrome on Android prior to 148.0.7778.168 allowed a remote attacker to inject arbitrary scripts or HTML UXSS via a crafted HTML page. Chromium security severity: High...

CVE-2026-8539

Script injection in SanitizerAPI in Google Chrome on Android prior to 148.0.7778.168 allowed a remote attacker to inject arbitrary scripts or HTML UXSS via a crafted HTML page. Chromium security severity: High...

CVE-2026-8596 Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK ModelBuilder/Serve path

Cleartext storage of sensitive information in the ModelBuilder/Serve component in Amazon SageMaker Python SDK before v2.257.2 and v3 before v3.8.0 might allow a remote authenticated actor to extract the HMAC signing key from SageMaker API responses and forge valid integrity signatures for special...

MAL-2026-3765 Malicious code in joi-pack (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 5ca38e3574ffcb0fabb105616e28108137c8256e2c70aeede59623bca5df496a The package declares a postinstall hook "postinstall": "node postinstall.js" in package.json that runs unconditionally on npm install. The script's o...

CVE-2026-22707

Strapi is an open source headless content management system. In Strapi versions prior to 5.33.3, the Upload plugin's Content API endpoints did not enforce the administrator-configured MIME type restrictions plugin.upload.security.allowedTypes and deniedTypes. The same restrictions were correctly...

CVE-2026-44633 Live Helper Chat: REST API chat update accepts arbitrary chat fields across department boundaries

Live Helper Chat is an open-source application that enables live support websites. In 4.84v, the Live Helper Chat REST API chat update endpoint allows a REST user with lhchat/use to update a chat in a department they cannot read. The endpoint accepts arbitrary chat object fields, so the user can...