CVE-2026-54018

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the SafePlaywrightURLLoader implements a validateurl function to prevent SSRF attacks by checking the IP address of the user-provided URL. However, this validation is performed only ...

Open WebUI: SSRF Protection Bypass in Playwright Web Loader via HTTP Redirects

Summary The SafePlaywrightURLLoader implements a validateurl function to prevent SSRF attacks by checking the IP address of the user-provided URL. However, this validation is performed only on the initial URL. Since Playwright automatically follows HTTP redirects 301/302 by default, an attacker c...

PT-2026-50590

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.6 Description The SafePlaywrightURLLoader uses a validate url function to prevent Server-Side Request Forgery SSRF by checking the IP address of a user-provided URL. However, this validation only occurs for the...

PT-2026-41196

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.5 Description The validate url function in backend/open webui/retrieval/web/utils.py only validates the initial URL provided by the user. Downstream HTTP clients, including sync requests, async aiohttp, and...

CVE-2026-33039

WWBN AVideo is an open source video platform. In versions 25.0 and below, the plugin/LiveLinks/proxy.php endpoint validates user-supplied URLs against internal/private networks using isSSRFSafeURL, but only checks the initial URL. When the initial URL responds with an HTTP redirect Location heade...

PT-2026-26190

The /download endpoint validates only the initial URL provided by the user using validateDownloadURL to prevent requests to internal or private network addresses. Exploitation requires security.allowDownload=true, which is disabled by default. However, pages loaded by the embedded Chromium browse...