Skip to content
OpenAdvisories
Medium · 5.0 CVE-2026-56399 EUVD-2026-40451GHSA-v376-5ppg-xp5v

Open WebUI - Server-Side Request Forgery via Location Redirect in /api/v1/retrieval/process/web

Published Jun 30, 2026 · Updated Jul 1, 2026 · Assigned by VulnCheck

Description

Open WebUI before 0.6.27 contains a server-side request forgery vulnerability in the /api/v1/retrieval/process/web endpoint that allows authenticated users to bypass SSRF protections. Attackers can manipulate URL parameters with location redirect headers to access internal services and potentially execute commands via instance secrets.

Affected products

VendorProductAffectedFixed
open-webui open-webui < 0.6.27 0.6.27

References