PT-2026-54047 · Openwebui · Open-Webui

Mosstrow · Published 2026-06-30 · Updated 2026-06-30 · CVE-2026-56399

NVD

CVSS v3.1

5.0

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

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.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-56399

Affected Products

Open-Webui

References · 4

• https://github.com/open-webui/open-webui/security/advisories/GHSA-82r6-c5jm-f3mw · Vendor Advisory
• https://github.com/open-webui/open-webui/commit/02238d3113e966c353fce18f1b65117380896774 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-56399 · Security Note
• https://vulncheck.com/advisories/open-webui-server-side-request-forgery-via-location-redirect-in-api-v1-retrieval-process-web · Note